Q9. Many communities in Canada take their drinking water from rivers, lakes or reservoirs. Why do they need to understand how chemicals are
transported in surface water? *

The people in Canada who take their water from unfiltered water, and the people who just drink from rivers, lakes or reservoirs have to understand how chemicals are transported in surface water because when the chemicals are transported, they can be inhaled without knowing.

answer: cellular respiration takes in food and uses it to create atp, a chemical which the cell uses for energy. usually, this process uses oxygen, and is called aerobic respiration. it has four stages known as glycolysis, link reaction, the krebs cycle, and the electron transport chain.