Answer:
D. All of the above
Given the diagram below, which of the following ordered pairs represents the
vertex, A?
O A. (b cosc, b sinC)
O B. (b cos C, c sinc)
O C. (a cosB, a sinB)
O D. (a cosc, b sinC)
Answer:c
Explanation:because cosin of b is c
(a cosc, b sinC) pairs represents the vertex A in this diagram. Hence option D is correct.
What is Vertex ?In geometry, a vertex (in plural form: vertices or vertexes) is a point where two or more curves, lines, or edges meet. As a consequence of this definition, the point where two lines meet to form an angle and the corners of polygons and polyhedral are vertices.
The vertex of an angle is the point where two rays begin or meet, where two line segments join or meet, where two lines intersect (cross), or any appropriate combination of rays, segments, and lines that result in two straight sides meeting at one place.
In a polygon, a vertex is called "convex" if the internal angle of the polygon is less than π radians otherwise, it is called concave.
Hence option D is correct.
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The light dependent reaction requires energy from the sun. What other reactant does this reaction require
Please answer this MCQ fast I am in trouble...... God have mercy on you and me.
Answer:
I'm thinking its either c or b.
Explanation:
I also think its B because the effector neuron transmits impulses from the central nervous system to an effector in order to bring about a physiological response. I'm not really that good at biology.
what is the difference between habitats and niche?
Answer:
The role a species plays in the ecosystem is called its niche. A habitat is the physical environment in which a species lives
Answer:
The role a species plays in the ecosystem is called its niche. A habitat is the physical environment in which a species lives:)
1. Choose the graph that correctly represents the relationship of nucleotides in DNA and support
your claim with evidence from the graph.
Nafisa saw that a flower on a plant had stamens, but did not have a pistil. Which of the following parts will definitely be ABSENT in the flower?
Sepals
Ovules
Anthers
Filame
How is thermal energy transferred during conduction? Check all that apply.
Thermal energy is transferred between particles that are not touching each other.
Thermal energy is transferred between particles that are in direct contact with each other.
Thermal energy is transferred between objects of different temperatures.
Thermal energy is transferred between objects of the same temperature.
Thermal energy is transferred from slow-moving particles to fast-moving particles.
Thermal energy is transferred from fast-moving particles to slow-moving particles.
Answer:
Check the
2, 3, 6
Thermal energy is transferred between particles that are in direct contact with each other.
Thermal energy is transferred between objects of different temperatures.
Thermal energy is transferred from fast-moving particles to slow-moving particles.
Hope this helps, have a great day
Answer:
2 ,3 and 6
Explanation:
whats a term for ecology that starts with the letter Y
Answer:
yellow rain
Explanation:
source Wikipedia
Answer:
yellow rain
Explanation:Don't let anyone bring you down you got this you matter, and rock!
39. What evidence from landforms supports the theory of continental drift and the theory
of plate tectonics?
a. A mountain range in Africa lines up with a mountain range in South Africa
b. All of the continents have mountain ranges along the ocean shoreline
c. Each continent shows evidence that glaciers once covered the land
d. Major rivers in all continents flow to the oceans
The evidence from landforms that supports the theory of continental drift and the theory of plate tectonics is that all of the continents have mountain ranges along the ocean shoreline. Thus, the correct option for this question is B.
What is the theory of continental drift?The theory of continental drift may be characterized as the movement of the Earth's continents relative to each other, thereby appearing to drift together across the oceanic bed. It is the hypothesis that the Earth's continents have moved over geologic time relative to each other.
The processes of seafloor spreading, rift valley formation, and subduction are some of the major causes of this continental drift. These processes were the main geologic forces behind what Wegener recognized as continental drift.
The movements of the earth's plate form the landforms that are responsible for creating boundaries of the continents that range along the ocean shoreline.
Therefore, the correct option for this question is B.
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It is possible that a recessive trait in a survey such as this one may have a greater total number than its dominant counterpart. Explain how that might happen in an investigation like this.
Answer:
No,really. It is possible that a recessive trait in a survey such as this one may have a greater total number than its dominant counterpart...... Because all of the offspring can in herit the came recessive trait.
what factor distinguishes the experimental group from the control group
The data table below shows how long it takes each inner planet to make one complete rotation and revolution. The numbers listed are in Earth days (24-hour periods).
On which planet is 1 day longer than 1 year?
Answer:
venus
Explanation:
the time taken to rotate is longer than time taken to revolve
Amylase is an enzyme found in saliva that helps break down starches into glucose. Which of
these statements best describes how amylase starts this reaction?
A. Amylase binds to the glucose to start the reaction.
B. Amylase provides extra energy to start the reaction.
C. Amylase decreases the energy needed to start the reaction.
D. Amylase changes the shape of the starch to start the reaction.
Answer:
Amylase is not the enzyme found in saliva it is ptyalin
Explanation:
the digestion of starch starts in the mouth.
the ptyalin hydrolysis the starch.
Gas forming bacteria in the gallbladder appear on ultrasound as. a. Dilated round shape. b. Nonshadowing echogenic mass. C. Localized dilation. d. Bright echo with a comet tail or ring down artifact.
NEED HELP ASAP: List two ways in which the atmosphere would be impacted in the absence of the biosphere. Use complete sentences.
Answer:
If there would be no biosphere on earth the atmosphere would be quite different. There would be no oxygen to support because oxygen is liberated by plants in photosynthesis so no plants means no oxygen. The earth would be a planet without life just like Venus and Mars. Therefore, no organism would be surviving in the world.
There would be no negligible green house effect and global warming since it is all created due to activities of men.The earth's atmosphere would be much cleaner and with lesser amount of CO2 and O2 but no organism would be there to use them.
Hope it help!
There would be more carbon dioxide, which would eventually burn away the ozone layer, as well as no oxygen, and all animal and plant life would perish.
What is biosphere?The biosphere is basically comprised up of the areas of the Earth where life can be found.
The biosphere encompasses all the things from the deepest tree root systems to the dark environment of ocean trenches, including lush rainforests, and high mountaintops. Earth is described by scientists in terms of spheres.
Because it is all of life, the biosphere is as important as life itself. Earth would be a lifeless planet like Mars or Venus without the biosphere. Human insecurity grows as natural resources are depleted.
The biosphere is the zone that contains all living things. The biosphere requires the lithosphere, hydrosphere, and atmosphere to exist. There would be no life on Earth if these three spheres did not exist.
Thus, this way, the atmosphere would be impacted in the absence of the biosphere.
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Which best describes the importance of carbohydrates to organisms?
A. Carbohydrates provide an additional source for amino acids.
B.Carbohydrates provide an immediate energy source
C. Carbohydrates provide permanent storage for genetic information.
D.Carbohydrates provide storage for water molecules
Answer:
[tex]\boxed {\boxed {\sf B. \ Carbohydrates \ provide \ an \ immediate \ energy \ source}}[/tex]
Explanation:
Carbohydrates are important because they provide the body with energy. It's essential to consume the correct amount of carbohydrates for your body, but make sure they are healthy (examples: whole grain, squash, sweet potatoes, beans)
Carbohydrates are easy for the body to break down. The body will digest these first into simple sugars, like glucose. The glucose is then used in cellular respiration to produce ATP or energy.
Therefore, carbohydrates can quickly provide energy for the body. The best answer choice is B.
Answer:
Carbohydrates provide energy to organisms.
Explanation:
I'm 100% sure because Carbohydrates can also be defined chemically as neutral compounds of carbon, hydrogen and oxygen. Carbohydrates come in simple forms such as sugars and in complex forms such as starches and fiber. The body breaks down most sugars and starches into glucose, a simple sugar that the body can use to feed its cells
How Fast can you answer how fast can i give you brainliest????? HELP...
Answer:
Explanation:
I think it's b or d may a
Answer:
The answer is C: Pond
Explanation:
its definition is the closest to the question: a small body of still water formed naturally or by hollowing or embanking.
I deeply apologize if this is incorrect.
I hope this helped and if it did I would appreciate it if you marked em Brainliest. Thank you and have a nice day!
The ways through which molecules can pass through phospholipid membranes is/are
Answer: there are atoms
What would be a probable explanation for why there are many endemic plants and birds in New Zealand, but no native mammals?
Answer:
Due to isolated before mammals evolve.
Explanation:
There are many endemic plants and birds in New Zealand, but no native mammals because New Zealand is an island which isolated from Gondwana which is a supercontinent about 85 million years ago. Before mammals evolved, the New Zealand splits and go away from the Gondwana. So due to water only those mammals that can swim or fly colonized in New Zealand but not the land living mammals.
For an organism to be considered to have the greatest level of fitness
A.it must be the strongest.
B.it must survive and reproduce.
C. it must be the smartest.
D it must live the longest.
Answer:
b
Explanation:
it must survive to reproduce
Answer:
B
Explanation:
An organism that can survive in the environment and produce enough offspring.
MCO,
Name the acids present in unripe green apple
1. Malic acid
2. Tannic acid
3. citric acid
Wilting
Stimulus = _______________ Response = ____________________________________________
A not enough water or overwatered, plant stem and leaves are flaccid or droopy
B excessive watering, plant cell vacuole shrinks
C too much sunlight, roots grow downwards
D too much light, plant leaves turn brown
What is the relationship between greenhouse gases,global temperature and sea level
Answer:
As the world warms due to greenhouse gases — carbon dioxide included — waters heat up and expand, causing sea levels to rise. Removing the extra ocean heat caused by even short-lived gases, and consequently lowering sea levels, is an extremely slow process.
Explanation:
What two variables must you know in order to
calculate the average speed of a moving object?
To calculate the average speed of an object, you must know the total distance an object travels and the total elapsed time of its whole journey.
What do muscle and bone cells have in common? What makes them function differently?
(55 points worth)
Answer:
Explanation: Bones form infrastructure of skeletal system while muscles help in movement by contraction and relaxation. Young bone cells secrete organic matrix of bony tissue. Myocytes do not secrete matrix.
Explanation:
All _______________ are and some _________________ are
proteins.
Which of the following statements is true about membranes?
A.
Mucus membranes line cavities that have an external opening in the body,
B.
Serous membranes line internal cavities that have no external opening in the body,
C.
When a membrane is attached to an organ it is called a visceral membrane,
D. All of the above.
The true statements are all of the above. Hence, option D is correct.
What do you mean by Mucous membrane?A Mucous membrane may be defined as the epithelial tissues that involve the inner lining of the internal organs that secrete mucus. It includes the respiratory system, gut, etc.
Mucous membranes line cavities that have an external opening in the body. Serous membranes line internal cavities that have no external opening in the body, while a visceral membrane is a type of membrane that is attached to an organ.
Therefore, the correct option for this question is D, i.e. all the above.
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Body temperature
3
Antara yang berikut, yang manakah sistem respirasi belalang?
Which of the following is the respiratory system of a grasshopper?
A
Trakea
Trachea
B Peparu
Lungs
C Spirakel
Spiracle
D Kulit lembap
Moist skin
NEED HELP!!!!
How does the uncontrolled cellular division result in cancer cells?
Bacteriophage .They used the radioactive isotope sulfur-35 to label the of the virus and phosphorus-32 to label the of the virus. They allowed the tagged virus to infect bacteria and studied the results. Hershey and Chase found that the only radioactive isotope within the bacteria was . This result indicated that the genetic material inserted by the virus to infect the bacteria was DNA .
Answer:
Bacteriophage
Explanation:
Bacteriophage is nothing but a virus that harms and kills the bacteria.
The Hershey-Chase Experiments is a well known experiment done by scientist, Alfred Hershey and Martha Chase. They conducted the experiment in the year 1952.
It was an extra ordinary experiment which made the world believe that the DNA is the genetic material and not a protein. In their experiment, they tried to find out if the protein coat or the core of the DNA of the virus which enters into the infected cells would help them to understand whether the genes were made of DNA or of protein.
They used sulfur-35 and phosphorus-32 radioactive isotopes to trace the DNA and the proteins.
Answer:
Explanation:
Hershey and Chase started with a virus called a bacteriophage.
They used the radioactive isotope sulfur-35 to label the protein
of the virus and phosphorus-32 to label the DNA of the virus.
They allowed the tagged virus to infect bacteria and studied the results. Hershey and Chase found that the only radioactive isotope within the bacteria was 32P.
This result indicated that the genetic material inserted by the virus to infect the bacteria was DNA.