Which statements describe what geologists study? Check all that apply. oxygen and other gases that surround Earth
the solid parts of Earth
the inside of Earth
living things on Earth
the forces that affect Earth
the rocks and minerals that make up Earth

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