I think its movement of water across a membrabe
Answer:
At dusk or C
Explanation:
Plants produce oxygen when they make energy for themselves via photosynthesis so the more oxygen it is making, the more photosynthesis it is doing.
Well if i am reading the question right then particles of matter are either ions, protons, neutrons or electrons is this have to do with chem or physics bc the question is a little vague
<span>Genes are sections of DNA that program the amino acid sequences of proteins
Hope this helps!</span>
D. Calcium cycle
Biogeochemical cycles are not an important part of the Earth system.