Which of the following is the most efficient way nitrogen is transferred out the bodies of living human beings back into the environment? O A. decomposition
O B. photosynthesis
C. respiration
D. excretion

Does masterbation affect height growth or loss of growth hormone?

Mr. olajuwan was in a horrific snowmobile accident. afterwards he had trouble walking and he had a loss of balance. which of the 4 major brain region was probably demaged

1) what three conditions must be present for minerals to form through natural processes? 2) why are minerals considered inorganic substances? 3) how do oxides differ from other minerals that contain oxygen atoms? 4) how is a sulfide different from a sulfate? what makes native elements unique?