As a paleontologist (someone who studies fossils), you discover a trilobite fossil while digging for fossils on top of a mountain. Based on this information, what can you conclude about this mountain's history?

Anton created a chart listing different types of materials. which best complete the chart?

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 is the function of the hypothalamus in thermoregulation? answers: -sensor -effector -stimulus -intergrating center it's either a or c i believe