High concentrations of sediment in the water can block out sunlight needed by aquatic plants for photosynthesis. This condition will most likely result in
a
decreased concentrations of nitrogen.
b
increased concentrations of nitrogen.
c
decreased concentrations of oxygen.
d
increased concentrations of oxygen.

Describe the response the kidneys have to dehydration and excessive water intake. what happens to the concentration of urine in each case ?

Where can dna be found in a prokaryotic cell

How is anaerobic respiration affected by changes in temperature? (5 points)based on the conditions of early earth, what conclusion can you draw about the amount of anaerobic respiration that was occurring at earth’s beginning? explain your answer.(5 points)if there was a sudden drop in temperature after the evolution of the first living cells, predict how that might have affected the changes in the atmosphere and the evolution of cyanobacteria and other autotrophs. explain your answer. (5 points)