During exercise, we undergo respiration. Therefore, we need oxygen and release carbon dioxide and water as waste products. When exercise become vigorous, we only run on anaerobic respiration with little oxygen, then lactic acid becomes a waste product instead of carbon dioxide and water. This occurs due to incomplete breakdown of glucose.
Best answer is C. lactic acid.
Answer:
use a dictionary to find the meanings and also take help from the text book material
"Poor personal hygiene" is the main and biggest cause of foodborne illness. Personal hygiene is very basic to every individual. It reflects how we bring ourselves and take care of ourselves. It would be a great embarrassment to other people if you smell unpleasant, most especially towards your co-workers and employers.
