Explanation:
This is because of hydrogen bonds being easier to break.❤
I'm pretty sure they're only around 10-12 meters thick. Most sources I'm seeing are saying that they're relatively thin, so I would try D.
Concentration gradient= the difference in the concentration of a substance between two areas.
Answer:
c they carry out cellular respiration just like all other aerobic organisms.
Explanation:
Oxygen, for plants, is essential because it makes the process of respiration more efficient (known as aerobic respiration).