It would be the first option. Adenine and thymine.
Answer:
Must be able to reproduce.
Explanation:
All organism are able to reproduce.
Well it’s obvious that they both use Photosynthesis to make there own food, and also they both use chemosynthesis the produce there own food. Very simple. :)
Seafloor spreading can stop during the process, but if it continues to the point that the continent is completely severed, then a new ocean basin is created. Your answer No