an experiment is carried out to determine how different pH values of soil will affect the growth of tomato plants in this experiment the development variable could be the

its the tomato

the pH is what is going to effect the growth of tomatoes the higher pH levels should effect it the most possibly even kill it while the regular soil should not effect it to much.

Explanation:

clumped distribution, because you'de have all of the population gathered in a relatively small are.

it's the most common because it provides protection and a mate for reproduction

example: humans, seeweed, cattles, etc.

acceleration = 18/3 = 6 m/s per second.

hope i

-lavira: )