Answer:D
Explanation:
Photosynthesis main energy source is solar energy while cellular respiration uses chemical energy
Answer:
Cation-exchange capacity is a measure of how many cations can be retained on soil particle surfaces. Negative charges on the surfaces of soil particles bind positively-charged atoms or molecules, but allow these to exchange with other positively charged particles in the surrounding soil water
Answer:
Primary succession takes place over a long period of time on newly formed land, while secondary succession occurs quickly in areas that have disrupted by a natural disaster
Explanation:
Answer:B.
It was used to prove that smoking causes health problems.
Explanation:
