Answer:
Independent variable: Type of battery
Dependent variable: Time the clock stopped
Control: None for this experiment
Constants: Same type of clock
Explanation:
Independent variable in an experiment refers to the variable which the experimenter changes or manipulates in order to bring about a measurable response. In this case, the independent variable is the TYPE OF BATTERY USED.
Dependent variable is the variable that responds to changes made to the independent variable. It is the measured variable in an experiment. In this case, the dependent variable is the TIME THE CLOCK STOPPED FOR EACH BATTERY
Control is the group that does not receive the experimental treatment. In this case, NO control group is USED.
Constant is the variable that the experimenter keeps unchanged throughout the experiment for all groups. The constant in this experiment is the CLOCK USED.
Answer:
Independent variable: Type of battery
Dependent variable: Time the clock stopped
Control: None for this experiment
Constants: Same type of clock
Explanation:
If an organism has a cell wall, it can only be a ______ cell
Answer:
Plant
Explanation:
Because it has a cell wall
Describe two properties that you could use to distinguish subatomic particles.
Answer: Protons, electrons, and neutrons can be distinguished by mass, charge, and location in an atom.
Explanation:
I hope this helped a tiny bit
Why do you think eclipses still capture human imagination and interest, even though we can now predict t understand them better?
Answer:
Eclipse is defined as an event in which one celestial body crosses another celestial body. for example Lunar eclipse, when the moon moves into the shadow of the earth.
Scientists has invented a lot about eclipses and now it is able to predict eclipses but human is a curious animal, different people have different views and beliefs, so people with religious beliefs have different imagination about eclipse. In the solar system everything changes with time, so we can't say that the prediction about eclipse will be true always.
what happened as a result of over hunting whales
A plant has iron deficiency with dry, yellow leaves. How might yellow leaves affect a plant’s ability to photosynthesize?
Answer:
It will photosynthesize at a much slower rate
Explanation:
Chlorophyll is important in the process of photosynthesis. Leaves that aren't green are a physical sign of a lack of chlorophyll.
Write the overall equation for photosynthesis using words?
Answer:
carbon dioxide + water =glucose +oxygen
Explanation:
hope this helps :)
The overall equation for photosynthesis using words is:
Carbon dioxide + water + sunlight energy → glucose + oxygen
Photosynthesis in plant chloroplasts and photosynthetic microorganisms is a complex metabolic process. Photosynthesis equation: [tex]CO_2 + H_2O + sunlight = glucose (C_6H_{12}O_6) + O_2.[/tex]
Photosynthesis converts carbon dioxide and water into glucose and oxygen. Special pigments like chlorophyll collect sunlight and transform it into chemical energy.
Photosynthesis underpins the food chain and sustains life on Earth. Primary producers, plants synthesise glucose that sustains all other organisms' growth and development. Photosynthesis provides oxygen for respiration and regulates carbon dioxide levels, preserving Earth's atmosphere.
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2
Drag each tile to the correct box.
Here is a list of foreign empires that ruled Egypt. Arrange them chronologically, starting from the ones who ruled first.
Persians
Romans
Greeks/Macedonians
Hyksos
Assyrians
Answer:
for the past two years there have to have to have a lot of a new look and 8g in a
Explanation:
the diameter is the best of all the correc to a good level but the best way of doing is the way the correc and
Answer:
This is the answer <3. I hope it helps! the other guy wont help but I am always ready to help the Brainly community
Hyksos➡️Nubians➡️Assyrians➡️Persians➡️Macedonians➡️Romans
Explanation:
what three animals are closley related to a tiger
Answer:
The tiger's closest living relatives were previously thought to be the Panthera species lion, leopard, and jaguar.
Explanation:
Results of genetic analysis indicate that about 2.88 million years ago, the tiger and the snow leopard lineages diverged from the other Panthera species, and that both may be more closely related to each other than to the lion, leopard and jaguar. The geographic origin of the Panthera is most likely northern Central Asia or the Holarctic region. The tiger–snow leopard lineage dispersed in Southeast Asia during the Miocene.
Panthera zdanskyi is considered to be a sister taxon of the modern tiger. It lived at the beginning of the Pleistocene about two million years ago, its fossil remains were excavated in Gansu province of northwestern China. It was smaller and more "primitive", but functionally and ecologically similar to the modern tiger. It is disputed as to whether it had the striping pattern. Northwestern China is thought to be the origin of the tiger lineage. Tigers grew in size, possibly in response to adaptive radiations of prey species like deer and bovids, which may have occurred in Southeast Asia during the Early Pleistocene.
the diagram shown represents a dihybrid cross between two pea plants heterozygous for both seed color and seed shape.
what is the phenotypic ratio of the offspring?
A. 1:1:1:2:2:2:2:4
B. 1:3:3:9
C. 1:4
D. 4:12
Answer:
1:3:3:9
Explanation:
There are 12 yellow seeds, from which 9 are smooth and 3 are rough.
There are 4 green seeds, from which 3 are smooth and only 1 is rough.
Both the appearance and color of the seeds is something you need to look out for when dealing with phenotypes.
The phenotypic ratio of this dihybrid cross will be 1:3:3:9.
What is phenotype?The term phenotype simply refers to a trait that may be observed. Pheno means observe and is derived from the same root as "phenomenon." As a result, it's a sort of organism that can be seen, and it may relate to anything from a common characteristic like height or hair color to the presence or absence of disease.What is dihybrid cross?A mating experiment between two animals that are identically hybrid for two features is referred to as a dihybrid cross. A heterozygous organism is one that possesses two distinct alleles at the same genetic location, or locus.The cross between a homozygous pea plant with round yellow seeds and wrinkled green seeds is an example of a dihybrid cross.RRYY alleles are found in round yellow seeds, while rryy alleles are found in wrinkled green seeds.Hence the correct option is B.
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On May 18, 1980, Mount St. Helens in Washington State experienced a huge volcanic eruption after a magnitude 5.1 earthquake. During the eruption, hot ash and pumice poured down the west, south, and east sides of the mountain, melting the snow and ice at the top of the volcano and producing volcanic mudflows. Which type of process first occurred in the ecosystem around Mount St. Helens after it erupted?
Answer:
primary succession
Explanation:
Primary succession starts in regions where there is no soil or where the soil is incapable of sustaining life due to any recent lava flows or newly formed sand dunes. Primary succession may lead to the formation of islands on land formed from glacial retreats or on new volcanic rock.
Primary succession occurred in the ecosystem around Mount St. Helens after the volcano erupted.
Answer:
Primary Succesian
Explanation:
Over a thousand feet of the top of the mountain was obliterated, causing darkness during the day for towns up to 85 miles away, mudslides and large ask deposits, loss of life to humans and anima
Mia conducted a five hour experiment. She used a liquid solution. The solution decreased by 9/8 ounces every hour for 5 hours. At the end of the experiment, there were 99/8 ounces of the solution remaining. How many ounces of solution did Mia start with? *
Given:
The solution decreased by [tex]\dfrac{9}{8}[/tex] ounces every hour for 5 hours.
Remaining solution at the end of the experiment = [tex]\dfrac{99}{8}[/tex] ounces.
To find:
The initial amount of solution.
Solution:
Let the initial amount of the solution be x.
The solution decreased by [tex]\dfrac{9}{8}[/tex] ounces every hour for 5 hours.
Total decreased amount [tex]=\dfrac{9}{8}\times 5[/tex]
[tex]=\dfrac{45}{8}[/tex]
Initial amount = Remining amount + Decreased amount of solution.
[tex]x=\dfrac{99}{8}+\dfrac{45}{8}[/tex]
[tex]x=\dfrac{99+45}{8}[/tex]
[tex]x=\dfrac{144}{8}[/tex]
[tex]x=18[/tex]
Therefore, the initial amount of solution is 18 ounces.
How does mutation increase chances for survival? Please help me.
Answer:
These mutations can increase an organism's chance for survival and usually occur over a course of many generations producing offspring (or babies) with the helpful mutation. ... This would allow you to mate and produce offspring because you would have survived for longer lifespans.
Explanation:
Lawrence is a long distance runner on the school’s track and field team. Proper nutrition is very important for athletes so Lawrence wants to make the right food choices before a big track meet.
Given what you know about how food is broken down to provide energy in the body, which is the best choice for Lawrence to eat before his event?
a supplement bar that provides 500 Calories composed of complex sugars
a candy bar that provides 500 Calories composed of simple sugars
a protein shake that provides 500 calories composed of complex sugars
a fruit smoothie that provides 500 calories of simple sugars
Answer:
a supplement bar that provides 500 Calories composed of complex sugars
Explanation:
Got it right on edge
Which molecule is most common in the human body?
O A. H2
B. N2
C. H20
D. CO2
The atmosphere of both Mars and Venus is mostly _____
carbon dioxide
O carbon monoxide
O nitrogen
O oxygen
Please Help! What molecules need to travel through ATP synthase to help it create ATP?
Answer:
The proton gradient produced by proton pumping during the electron transport chain is used to synthesize ATP. Protons flow down their concentration gradient into the matrix through the membrane protein ATP synthase, causing it to spin (like a water wheel) and catalyze conversion of ADP to ATP.
Explanation:
That's the answer but not all of it just pick out the actual answer.
The statement explains the importance of enzymes that check for and repair mistakes during DNA replication is the enzymes prevent many genetic mutations from being expressed.
What is RNA polymerase?RNA polymerase is an enzyme that aids in the transcription of DNA into RNA during transcript in the nucleus. The enzymes prevent many genetic mutations from being expressed.
Primase is an enzyme that synthesizes short RNA sequences called primers. These primers serve as a starting point for DNA synthesis during replication as the DNA polymerases cannot begin the synthesis of the new strand, they only extend it after primase begins it and primase produces RNA molecules, the enzyme can be said to be a type of RNA polymerase.
Therefore, The statement explains the importance of enzymes that check for and repair mistakes during DNA replication is the enzymes prevent many genetic mutations from being expressed.
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Help me identify the parts of this cell:
Answer:
1- membrane
2- ribosomes
3- mitochondrion
4- rough ER
5- dna
6- nucleolus
7- cytoplasm
8- nucleus
9- smooth ER
10- vesicles
11- golgi body
12- lysosome
Explanation:
Answer:
1- cell membrane
2- ribosomes
3- mitochondria
4- rough endoplasmic reticulum
5- deoxyribonucleid acid (dna)
6- nucleolus
7- cytoplasm
8- nucleus
9- smooth endoplasmic reticulum
10- vesicles
11- golgi apparatus
12- lysosome
Explanation:
Which of the following food chain correctly represents the flow of energy in a living system? NEED ASAP
Answer:
B-> Starts with Producer
Explanation:
It's in the name. You will just have to memorize the vocabulary.
Option (B) correctly represents the flow of energy in a living system because food chain starts with a producer.
What is a food chain?Wild food chain shows who eats whom. Every living thing—from algae to blue whales—needs food. Each food chain is an energy and nutrient channel in the ecosystem.
In food chains, organisms are categorised into trophic levels. Producers (first trophic level), consumers (second, third, and fourth trophic levels), and decomposers roughly correspond to these levels.
Autotrophs produce their own nourishment. They start every food chain. Plants and single-celled creatures are autotrophs. Nearly all autotrophs make "food" (glucose) from sunlight, carbon dioxide, and water through photosynthesis.
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Do galaxies move and if so how do we know?
Answer: Galaxies do move. They both rotate and move through space. But how do we know? Fortunately, there is a way to detect the motion of a galaxy: By examining the spectrum of light from a galaxy, you can determine whether the galaxy is moving towards or away from Earth, and how fast.
Explanation:
If a rock falls and kills 10 individuals from a population of 100 plants of the same species and the frequency of alleles changes, does the population evolve instantly from that stochastic event? Can it be said that Natural Selection is at work in this case? And how does the Synthetic Theory of Evolution help answer this question?
Answer:
Explanation:
This question seeks to test the knowledge of the modern synthetic theory of evolution. This theory describes evolution as the changes occurring in the allele frequency within a population of the same specie. Hence, the following questions derived from the question can be answered as thus
1) Does the population evolve instantly from that stochastic event?
YES. This is because the frequency of the allele changed.
2) Can it be said that Natural Selection is at work in this case?
YES. The synthetic theory of evolution derives great "evidence" from natural selection because the allele frequency is believed to have changed because of the environmental impact (the rock) and that the next generation will adapt better to such an environment.
3) How does the Synthetic Theory of Evolution help answer this question?
Previously, evolution was believed to occur over several generation which ultimately lead to some phenotypic changes as a result of adaptive changes in the genes. This old description of evolution would have made one arrive at a wrong answer if one does not consider the modern synthetic theory of evolution which talks about instant evolution from allele frequency (as was described in the question).
Write five general properties of minerals
Answer:
Color, luster, streak, hardness, and cleavage
Explanation:
Explain what white light is and what it's made of, what do we see it as
PLZ HURRY
Answer:
The electromagnetic spectrum covers electromagnetic waves with frequencies ranging from below one hertz to above 1025 hertz, corresponding to wavelengths from thousands of kilometers down to a fraction of the size of an atomic nucleus. This frequency range is divided into separate bands, and the electromagnetic waves within each frequency band are called by different names; beginning at the low frequency (long wavelength) end of the spectrum these are: radio waves, microwaves, infrared, visible light, ultraviolet, X-rays, and gamma rays at the high-frequency (short wavelength) end. The electromagnetic waves in each of these bands have different characteristics, such as how they are produced, how they interact with matter, and their practical applications. The limit for long wavelengths is the size of the universe itself, while it is thought that the short wavelength limit is in the vicinity of the Planck length.[4] Gamma rays, X-rays, and high ultraviolet are classified as ionizing radiation as their photons have enough energy to ionize atoms, causing chemical reactions.
Explanation:
Answer:Each color has a different wavelength. Red has the longest wavelength, and violet has the shortest wavelength. When all the waves are seen together, they make white light. White light is actually made of all of the colors of the rainbow because it contains all wavelengths, and it is described as poly chromatic light.
Explanation:
Hope this helps :)
Producers transform light energy into chemical energy. True or false
False.................
Scientists in Australia have developed a routine for athletes to follow the day before a big race this routine includes consuming a large amount of carbohydrates this type of routine is known as a carbo loading what might consuming a large amount of carbohydrates be beneficial do the athlete during the race
Answer:
Scientists in Australia have developed a routine for athletes to follow the day before a big race to increase the storage of glycogen in muscles before a competition which in turn helps to improve stamina.
Explanation:
Scientists in Australia have developed a routine for athletes to follow the day before a big race to increase the storage of glycogen in muscles before a competition which in turn helps to improve stamina. Carbo loading works best for sports such as marathon running, cross-country skiing, and long-distance cycling.
The packaging and distribution center of the cell is the
Group of answer choices
central vacuole.
nucleus.
nuclear envelope.
Golgi apparatus.
Answer: The Golgi Apparatus
The Golgi apparatus is a set of flattened, membrane-bound sacs that serve as the packaging and distribution center of the cell.
Explanation:
The packaging and distribution center of the cell is the function of the golgi apparatus. Golgi apparatus prepares proteins and lipids in cell. Thus, the correct option is D.
What is Golgi apparatus?Golgi body is also known as a Golgi apparatus. It is a cell organelle which helps in processing and packaging of proteins and lipid molecules, especially the proteins that are destined to be exported out from the cell.
Stack of small flat sacs formed by membranes inside the cell's cytoplasm. Golgi apparatus prepares proteins and lipids for the use inside and outside of the cell.
Therefore, the correct option is D.
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the element iridium is more resistant to corrosion than any other metal. it also has a slightly smaller density than osmium: 22.42 centimeters squared. suppose you have a sample of iridium with a volume of 34.17 cm squared. what is the mass of this sample
Answer:
766.09g
Explanation:
Divide the volume of the iridium with its density.
Density= mass÷volume
All organisms utilize adenosine triphosphate (ATP) as their major source of energy. The molecules
of ATP and ADP (adenosine diphosphate) + P: (inorganic phosphate) form a cycle to allow for a
constant source of energy-rich ATP molecules.
Which of the following MOST accurately describes the role of ATP as a source of energy?
O ATP absorbs energy as it is converted into ADP + Pi.
ADP + P; release energy as they are converted into ATP.
O When ATP is converted into ADP + Pi , energy is released and used by the cell.
O When ADP + Pi are converted into ATP, energy is released and used by the cell.
Answer:
When ATP is converted into ADP + P energy is released and used by the cell.
Explanation: ATP contains energy, when a certain part breaks off it converts into ADP and releases energy for the cell tp use.
When ATP is converted into ADP + Pi , energy is released and used by the cell is the most accurately describes the role of ATP as a source of energy.
What is ATP?An organic substance called adenosine triphosphate (ATP) gives energy to a variety of biological functions in living cells, including muscular contraction, nerve impulse transmission, condensate dissolving, and chemical synthesis.
ATP is frequently referred to as the "molecular unit of currency" of intracellular energy transfer and is present in all known forms of life. It either transforms into adenosine monophosphate (AMP) or adenosine diphosphate (ADP) when absorbed in metabolic activities (AMP).
ATP is replenished by other processes. Every day, the human body recycles the equivalent amount of ATP to its own body weight. Additionally, it serves as a coenzyme and a precursor to DNA and RNA.
Therefore, When ATP is converted into ADP + Pi , energy is released and used by the cell is the most accurately describes the role of ATP as a source of energy.
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PLZ HELP!! ASAP!!
Carbohydrates have chemical bonds that are a good source of energy for living things. A monosaccharide is a carbohydrate made by plants when energy from the sun combines water and carbon dioxide.
How are the two other types of carbohydrates formed? Give examples of each type.
Explanation:
The other two types of carbohydrates, disaccharides and polysaccharides, are formed when monosaccharides link together to form larger molecules and chains. A disaccharide is a sugar that is made from two monosaccharides (di=two). For example, sucrose is a disaccharide that is made from the bonding of glucose with fructose, which are both monosaccharides. Sucrose is known as table sugar, and is found naturally in plants. Polysaccharides are large, complex molecules that are formed when monosaccharides or disaccharides link together in repeating units to form long chains. The most abundant polysaccharide in the world is cellulose, the substance that makes up the cell wall of plant cells. Starches are also examples of polysaccharides, and these are stored in plants such as grains, corn and wheat.
All living organisms must obtain energy in order to survive, and most organisms rely on carbohydrates as energy sources. These molecules are made through the process of photosynthesis, and they store the sun's energy within them.
10: For the fermentation experiment: List the 4 reagents used and their function
Answer:
yeast, invertase, bacterial culture, maltase
Explanation:
Fermentation is defined as a metabolic organic substance are chemically changed with the help of enzymes. The process of fermentation is used for the production of food such as bread and beverages such as alcohol.
Reagents are the chemical used to process a chemical reaction in an expriment. So reagents used in fermentation are yeast, invertase, bacterial culture, maltase.
Yeast is a fungus used for alcohol production that that is used to improve the nutritive value of the beverage.
Invertase is an enzyme that is used to cleave the glycosidic linkage between fructose molecules and glucose.
Bacterial culture are use to ferment the process that produces alcohol and carbon dioxide.
The enzyme maltase breaks the bond between maltose and convert it into glucose.
27. If there is a full moon on Sept. 13, When is the next full moon?