What is the main function of your kidneys? * a. secrete excess water as sweat
b. protect against pathogens
c. convert waste products into urine
d. facilitate gas exchange

How would you take a difficult subject matter - such as poaching, deforestation, or climate change and communicate it in a kid-friendly way

Which of the following is the best definition of aerobic respiration? o a. the cellular process that releases energy by breaking down glucose o b. physical activity that involves the repeated motion of large muscle groups o c. physical activity that increases heart rate and breathing rate o d. the cellular process that converts solar energy to chemical energy

What pattern of migration do whales follow?