Hi can someone plz help me!! I’m behind on this and I really need help on it. I will try to mark as brainliest

You just need to do what it says. Build the model or use some things as substitutes if you are missing an ingredient and write down what you identified.

There isn't really much better help I could give, sorry. I hope this helps.

Refer to the question above to help answer this question. If the students were to redo their experiment with the water and the antiacid tablet, what would you recommend they do in order to show that the mass was conserved in that chemical reaction.

a. They should put a cover on the beaker so nothing can escape during the experiment.

b. They should use two antiacid tablets instead of one.

c. They should use more water.

d. They should get a new scale and double check their measurements.

Which of the following statements accurately describes a pedigree chart?

1. A pedigree chart is used to predict the genotype of offspring.
2. A pedigree chart tracks inherited traits from parents to offspring.
3. A pedigree chart predicts the percentage of offspring that will have a specific trait.
4. A pedigree chart identifies the phenotype of the organism.

Help Me Pls. I need to know this for my exam

Arrange carbon, phosphorus and sulfur in order of reactivity to write their reaction with oxygen.

Calculate the mass of an object that has a density of 20 g/mL and a volume of 5 mL.

Click to review the online content. Then answer the question(s) below, using complete sentences. Scroll down to view additional questions.

Online Content: Site 1

What are the five natural agents of erosion? What is the driving force behind all of these agents of erosion? (site 1)

True or False: Concrete has only positive qualities, and there are no disadvantages to using it.
PLEASE HELP

Please construct a R.A.C.E. explanation for the prompt below. How do mutations to DNA affect an organism? Name all of the possible ways that an organism could be affected by the mutation and provide examples

I AM ON A TIMER BE QUICK!! Which material would result in the greatest amount of energy transfer?

A. An absorber that is dark in color and rough.
B. A reflector that is dark in color and smooth.
C. An absorber that is light in color and rough.
D. A reflector that is light in color and smooth.

………… is the Energy stored in chemical bonds.

Please help me I don't know these.

A tall pea plant (Tt) is crossbred with another tall pea plant (Tt). The following Punnett square shows the separated alleles for two pea plants.



Which of the following shows the correct match of the box numbers and the genotype of the offspring?


Btw graph is below (ScreenShot)

Please help I don't want to watch a video about the states of matter again. Its science

Matter can change phases by changing the amount of _____________________.

Energy does / does not change the phase of matter.
(Make the correct answer red -- or, erase the wrong answer.)


Absolute Zero is when energy / molecules stop moving.
(Make the correct answer red -- or, erase the wrong answer.)


You can use _______________ to change a liquid into a gas.


A soda is liquid that contains _________________ gas to make it bubble and fizz.


A gas and a(n) _________________ will take the shape of a container.


The heating and cooling of molecules will make ______________ change their state of matter.


To change a gas to a liquid, you need to increase / decrease the amount of heat energy. (Make the correct answer red -- or, erase the wrong answer.)


To change a solid to a liquid, you need to increase / decrease the amount of heat energy. (Make the correct answer red -- or, erase the wrong answer.)

Changing a _________________ to a liquid to a gas is changing the phase of matter.

Hi can someone help me plz! I’m behind on this and I don’t understand

From the set {41, 53, 65}, use substitution to determine which value of x makes the inequality true.


MATHH
A. none of these

B. 41

C. 65

D. 53

RNA molecules carry amino acids to the ribosomes to begin the work of assembling a protein chain, True or false. explain please

In your own words, explain the difference between how a ‘dam system’ transforms hydropower into electrical energy compared with how a ‘run-of-the-river system.

Which of the following is a true statement about waves?
A.
Waves can transfer energy when they interact with matter.
B.
Waves are never affected when they interact with matter.
C.
All waves require a medium through which they can travel.
D.
All waves travel longitudinally and compressionally at the same time.

I need help right now lol,So the question is :During high tide, ocean waves often become larger. If the amplitude of a wave increases by a factor of 4, by how much does the energy increase?

name and the number of atoms of calium oxide in one molecule of the compound for

pls help I am dead if I dont do it for 2 min

What holds everything in place in the universe?

How do atoms and molecules of elements and compounds combine in chemical reactions?
Pls help it is due in 20 mins

GIVING BRAINIEST!!! please help

PLEASE HELP QUICK!!!!

I need help with a DNA research paper

Through his investigation, Nathanial identified when equal forces are applied to an object, the motion of the object does not change. He started a data table to record the evidence from his investigation. Which further evidence can Nathanial use to support his findings?


67 N in row one and 110 N in row two
120 N in row one and 67 N in row two
115 N in row one and 65 N in row two
100 N in row one and 65 N in row two

Sand and gravel in a mixture have the same properties as sand and gravel when they are not mixed.

Since gravel is bigger than sand,

A.
the sand and gravel can never be separated.
B.
the sand and gravel can be separated with a sieve.
C.
the mixed sand and gravel will stick together.
D.
the mixed sand and gravel have a lower volume.

PLEASE ANSWER! I NEED A DIAGRAM ON HOW TO CREATE WATER CONDITIONS THIS IS SCIENCE BTW

PLEASE HELP THESE ARE MY LAST 3 QUESTIONS LEFT AND IM HAVING TROUBLE WITH THEM
1. CH18C20H15CHCO2 How many atoms of each element are in one molecule of cardenolides?

2.How many atoms are in mercury (I) phospate? The chemical formula is (Hg2)3(PO4)2

3.The burning of hexane is shown in the following chemical equation. How many oxygens are in the products to the right of the arrow? 2C6H14 + 19O2 → 12CO2 + 14H2O + heat

3. Is Pangaea the only “supercontinent” that scientists think has existed?