The carbon that plants need for photosynthesis comes from carbon dioxide, or CO2 that's present in our atmosphere.
Answer:
the answer is D i believe.
Explanation:
I believe so, dont take my word 100% on it though.
C would be missing. because when secondary succession occurs, it was previously occupied and re-colonized. im almost positive because i kind of remember doing this a few weeks ago. hope this helps a bit!
Answer:
Explanation:
d two haploid cells that are genetically diffrent
