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stira [4]
3 years ago
14

Three different dynamic carts of different masses are rolled down a ramp. The heaviest one rolls down the ramp the fastest. Befo

re concluding that a more massive cart will roll down a ramp faster, what experiment with these three carts might you want to do?
A) Run an experiment with the ramp at a different angle.
B) Find a fourth cart to add to the test, then test again
C) Change the surface of the ramp, then test the carts again.
D) Add masses to each car until they have the same mass, then test the carts again.
Biology
1 answer:
SVETLANKA909090 [29]3 years ago
8 0

Answer:

The answer is D ;)

Explanation:

I got it right on USA TEST PREP

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Each of the following about cells and the cell cycle is true except
alex41 [277]

Answer:

i think iam not sure it is C

3 0
3 years ago
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What do scientists think was the first rna that led to life
Korvikt [17]

Answer:

In some primordial soup of molecules, a self-replicating RNA formed.

Explanation:

?

7 0
4 years ago
PLEASE HELP PLEASE PLEASE PLEASE PLEASE HELP PLEASE PLEASE PLEASE PLEASE HELP PLEASE PLEASE PLEASE
igor_vitrenko [27]

Answer:

B

Explanation:

So lets go over facts of mieosis and mitosis:

Meiosis is sexual reproduction

Mitosis is asexual reproduction

Meiosis in animals is how they reproduce

Mitosis in animals is how they regenrate their cells

Mitosis copies the orgninal cell.

Meiosis mixes a male and female egg and sperm to form a zygote

Ok, knowing this. We can find our answer.

Since we know meiosis is sexual, and mitosis asexual, we can get rid of C.

We also know that meiosis is in animals, and so is mitosis, so we can get rid of A.

Finally we can get rid of D, since we know due to the male and female genetics(and through the swapping of chromesomes during prophase)that genetic variation occurs in meiosis, but since mitosis copies a single cell, it is not genetically varient.

<u>So the answer must be C, which states that Mitosis has genetically identical cells, while mieosis does not. </u>

Hope this helps! ;)

 

3 0
3 years ago
This is in my economics class.
Ludmilka [50]

Generic product is similar to a brand name product.

<h3>What is a brand name?</h3>

A brand name is the name a manufacturer give to his product to mark it's uniqueness and it's ownership by the manufacturer.

Brand name can carry some distinct fractures, symbols about the products. It give a unique identity to such product.

Therefore, Generic product is similar to a brand name product.

Learn more about brand name below.

brainly.com/question/15004272

8 0
2 years ago
What are introns and Exons??
jeka94
Introns are parts of genes that do not directly code for proteins. (2)

Exons are parts of DNA that are converted into mature messenger RNA (mRNA). (6) The process by which DNA is used as a template to create mRNA is called transcription.
3 0
3 years ago
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