JO Science/Health 8 - 12808-00001 - Per 3 / Module 08 The Earth
1.(03.01 LC)
Which of these is a characteristic of index fossils? (7 points)
Found in the topmost rock layer
Found in many layers of the same rock
Have already established relative age
O Are limited to a particular geographic location
2. (03.01 MC)

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

Nh3 +02-no + h20 is unbalanced what is the balanced equation

La glucosa es el nutriente mas utilizado por las celulas en la respiracion celular en esta ocurre 4 fenomenos cuales son