What do all cellular activity’s in living organisms use as a source of energy

There are specialized producers that live in warm water vents deep in the ocean. these producers do not per-form from photosynthesis, but instead perform a similar process with iron and other chemicals. why do you think these producers use this process instead of photosynthesis?

Despite the differences in mature plant cells, all of them are derived from meristem cells. the three major types of tissue systems develop from the meristem. meristems develop cells in all but which tissue?

To sciences do not agree on which type of grocery bag is better for the environment what is most likely to come out come out of the disagreement