HELP DUE IN 5 MINUTES What can be deduced about an igneous rock that is made up of very tiny crystals?
1.It formed in magma that cooled very slowly.
2.It formed from lava that cooled relatively quickly.
3.It formed from sediments in an ocean or lake floor.
4.None of these choices are correct.

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

In many humans, exposing the skin to sunlight over prolonged periods of time results in the production of more pigment by the skin cells (tanning). this change in skin color provides evidence that -

Which statement best compares aerobic and anaerobic respiration