Cells can best be described as: A. The smallest form of matter
B. Tiny particles found in food
C. Part of the air people breathe
D. Building blocks of all living things

(Ok look I wasn’t in class the day they taught this, also it’s obviously not C so Y’know-)

Restless tectonic plates move (shift) between one and fifteen centimeters per year month day minute

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

Which of these is an example of land degradation? a. containers designed to store pollutants leak. b. fertilizers provide too many nutrients to crops. c. garbage is buried so the land can be reclaimed later. d. a drought kills all the plants in an area, leaving bare land