Australia's great barrier abounds with a tremendous variety of aquatic life. why do you suppose this marine ecosystem is well populated with living things

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?

You see a white marker with an orange circle and black lettering. what does this marker tell you

The picture represents a structure of the respiratory system. which is the function of this structure? to bring air into the body to exchange oxygen with carbon dioxide to carry air to the lungs to release oxygen from the body