Answer:
Genes are made of deoxyribonucleic acid. Also known as DNA. The sides are sugar and Phosphate molecules.
<span>Some of the plants that made up coal were various ferns, and trees that no longer exist, like the lepidodendron, which was a scaly trunk with no limbs. Calamites, which are similar to the horsetail plant seen today. Seed ferns and glossopterids, also now extinct, were a basis for coal composition.</span>
Yes. It is a mechanical process.
