Answer:
a.growing trees
Explanation:
growing trees decreases the level of co2 by taking in the co2 and convert it to oxygen
RNA makes a copy of a gene from DNA to mRNA .
the answer is definitely C
During prophase, the parent cell chromosomes — which were duplicated during S phase — condense and become thousands of times more compact than they were during interphase. ... Cohesin forms rings that hold the sister chromatids together, whereas condensin forms rings that coil the chromosomes into highly compact forms.