Question

The primary mechanism for converting atmospheric carbon into usable forms for life on earth is achieved by

Answer 1

plants that convert oxygen through the biochemical process of photosynthesis

animals that breathe carbon dioxide and convert it into usable forms through respiration

plants that convert carbon dioxide into useable forms

animals that are able to live in deep ocean trenches by using oxygen as an energy source

Answer 2

c

Answer 3

what do you think?

Answer 4

Im testing you