1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Arada [10]
2 years ago
12

A student wants to know if the weight of a cart affects its speed at the bottom of a ramp. He changes the weight of the carts by

adding different numbers of balls, and he keeps the height of the ramp the same.
What is his independent (test) variable?

The shape of the carts.

The angle of the ramp.

The weight of the carts.

The height of the ramps.

Biology
1 answer:
gregori [183]2 years ago
3 0

Answer:I think it’s b I could be wrong

Explanation:

You might be interested in
Making ATP without using oxygen is called
Lilit [14]
Anaerobic means with out oxygen
8 0
3 years ago
The neurotransmitter thought to be involved in learning and memory is:
ELEN [110]
It is Acetoylcholine
6 0
2 years ago
Ecological succession questions
fenix001 [56]

Answer:

1. Ecological succession is the process of change in the species of an ecological community over time.

2. this is to change in external factors, complex  like plants become the dominant.

3. the number of individuals organism per unit area can influence population size.

Explanation:

5 0
3 years ago
A student places four identical cells into four different liquids.
sweet [91]

Answer: the answer is c

Explanation:

i got it wrong on my test and it told me it was c so um- ‍♀️ yeah

7 0
2 years ago
Read 2 more answers
What types of bonds hold nitrogenous bases together?
Virty [35]
<span>The nitrogenous base pairs, which are linked by hydrogen bonds that also hold the strands together, are between this backbone. However, the nitrogenous bases, which are adenine, thymine, cytosine and guanine, pair up so that cytosine only pairs with guanine and adenine links up with thymine.</span>
6 0
2 years ago
Read 2 more answers
Other questions:
  • What type of biomolecule does photosynthesis make to store chemical energy?
    10·1 answer
  • In many ways, a mule is a superior animal to the horse or donkey. Mules are often stronger and can jump higher than either of th
    5·1 answer
  • BRAINLIEST
    9·1 answer
  • PLEASE ANSWER ALL FIRST GETS BRAINLIEST
    8·1 answer
  • Biogeochemical cycling ensures that
    6·1 answer
  • What is a magma chamber?
    11·1 answer
  • Which adaptation do organisms need to live in an estuary?
    7·1 answer
  • What is a mixture in which all the components are evenly spread out?
    12·2 answers
  • What substances does lichen and moss produce that will break down rock?
    11·1 answer
  • The best and closest definition of "biodiversity" would be?
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!