Give three instantaneous scale (time) examples of earth's systems, two long-term scale (time) examples of earth's sytems, and three examples of cycles of earth's systems. why are volcanoes and volcanic activity a good example of system interactions? (site 2)

Which of the following best describes the purpose of technology?

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 "the pig," what is the main effect that the piglet initially has on kibuka?