What is the macromolecule that is vital to all life? * O Plasma Membrane
O RNA
O DNA
O Cytoplasm

Ecosystems involve living organisms interacting with non-living things in a productive way; how is photosynthesis an example of this? answer, i will give brainiest to first person to get it right.

Which of the following is not a possible effectof increasimg carbon dioxide levels in the atmosphere ?

9. the history of life on earth is recorded in