Astudent designed an experiment to demonstrate an effect of the interaction between the atmosphere and living things. which of these best describes the experiment designed by the student?

a. dig soil to see plant roots.
b. put plants in a bowl of water.
c. keep a plant in a jar of carbon dioxide.
d. add fertilizers to plants to make them grow.

Need an answer asap 45 points and brainlest to the first person to answer why do scientific theories, such as biological and chemical evolution, represent the strongest explanation of the changes observed in the fossil record. must be in sentence form how can scientific theories on evolution and the fossil record change over time? must be in sentence form

The chromosomal structure that limits the number of cell divisions of a cell is the the chromosomal structure that limits the number of cell divisions of a cell is the kinetochore telomere histones centromere

Idon’t know the answer and i’ve been stuck on it for a while now skskskskks