which ones are the more efficient producers phytoplankton or organisms that use heat, chemicals, and minerals near volcanic vents to produce food

vodka and hennesy

explanation:

the generally accepted parts of modern cell theory include: all known living things are made up of one or more cells. all living cells arise from pre-existing cells by division. the cell is the fundamental unit of structure and function in all living organisms.

oxygen +1 most likely

which

what is a measurement of the earth’s history divided into time periods?

> fossil record <

sedimentary rock

> geologic time scale <

radioactive elements