What is the function of the crop?

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?

Which situation is an example of not doing work? lifting a couch throwing a baseball running up stairs carrying a box

Which measure of an earthquake depends on how close you are to the focus?