Check all that apply: What environmental conditions can cause mutations to otherwise healthy, "correct" DNA? . UV light
. Free radicals
. Salinity
. Chemical Exposure
. Radiation

Which statement describes a way in which the digestive and excretory systems work together? a. the nephrons absorb nutrients from food going to the large intestine. b. the excretory system balances blood gases in the small intestine. c. the intestinal villi filter blood and send wastes to the bladder. d. the excretory system balances the salts and water obtained from digested food

As the earth formed, the force of gravity increased due to increased mass. what effect did this increased gravity have on the forming planet?

What part of the body contains bile, an enzyme that break down lipids?