Answer:
3rd one
Explanation:
because only DNA contain thymine and in RNA it contains uracil.
Answer:
D. Discovered chemolithotrophs in natural enviroments.
Explanation:
Sergei Winogradsky was a russian microbiologist. He observed in his research with genus of bacteria <em>Beggiatoa, </em>they were able to oxidize hydrogen sulfide as an energy source. Being the first example known of lithotrophs (organisms that use inorganic substrate in order to obtain energy).
That would be A- Osmosis.
I hope this helps! (:
Clean energy like solar wind and water