What controls the climate and protects the earth from harmful sun rays?

When does dna replication(make a copy of itself)?

Which organelles are labeled d, and what is one feature that distinguishes them from the other labeled organelles chloroplasts the only organelles that produce sugars from sunlight mosomes, only found in animal and bacterial cells centricles only found in animal cells mitochondra, the only energo-generating structures found in cells

How do living things obtain phosphorus