What is the correct path of blood as it makes one circuit from the heart? A. capillaries, venules, arterioles, veins, arteries
B. arteries, veins, arterioles, venules, capillaries
C. veins, venules, capillaries, arterioles, arteries
D. arteries, arterioles, capillaries, venules, veins

Which describes radioactive decay of a substance

The table shows dates and appearance of index fossils. which rock layers can be dated most precisely? a) a layer containing both a fossil 4 and a fossil 3 b) a layer containing both a fossil 2 and a fossil 3 c) a layer containing both a fossil 1 and a fossil 4 d) a layer containing both a fossil 1 and a fossil 2

What happens as electrons move along the chain of molecules known as the electron transport chain? they gain energy, which causes atp molecules to lose phosphate groups. they gain energy, which causes h *ions to join with oxygen to produce water. they lose energy, which is then used by the cell to make atp. they lose energy, which is then used to break down atp.