What are the reactants and products of the etc (electron transport chain)?

Use the drop-down menu to match the following definitions to the corresponding terms. the total variety of organisms that live in the biosphere a group of organisms that breed and produce offspring that can breed all of the biotic and abiotic factors in an area

In which situations is the principle of cross-cutting relationship useful in determining relative age?

Ture or false evidence for evolution includes millions of fossils