A farmer wants to do research on how to best GROW his crops. He applies different amounts of a fertilizer to different areas. The chart outlines the data he collected. What is the independent variable based on the data shown? Take your time to review the chart.

A

B

C

D

a symbiotic relationship with the mitochondria

in a chemical reaction, the atoms and molecules produced by the reaction are called products. no new atoms are created, and no atoms are destroyed. in a chemical reaction, reactants contact each other, bonds between atoms in the reactants are broken, and atoms rearrange and form new bonds to make the products.