The answer is d I hope this helps
Although the biosphere measures about 20 kilometers (12 miles) from top to bottom, almost all life exists between about 500 meters (1,640 feet) below the ocean's surface to about 6 kilometers (3.75 miles) above sea level.
Answer:
To get more involvement in a community clean-up project you could make posters and put them around town and you could tell your friends about the project.
Glucose and Oxygen are the reactants
Carbon dioxide moves out of the tissues (cells) into the bloodstream to be exhaled in internal respiration.
