Which of the statements is true? a.)Ammonia is safe to cells at high concentrations.
b.)Uric acid can be stored at a higher concentration in tissues than urea.
c.)Excretion of urea requires less water than excretion of uric acid.
d.)Urea is produced and eliminated in the kidneys.
e.)Excretion of ammonia requires high volumes of water.

affects the water bodies: excessive use of fertilizers causes eutrophication. the fertilizers which are used on plants affect the quality of land on which it is used, further causing erosion of soil. the fertilizers used on plants contain harmful chemical fumes which affect the environment.

c. the initial amount of money placed in the savings account

stimulus is a change in the environment that causes an organism to react. the response is the reaction to the stimulus. some examples of stimuli for zebras are drought, to many predators, and bad feeding grounds such as dead grass or plants. zebras respond to stimuli just like all other living organisms