A man is diagnosed with the following symtoms: excessive urination, feeling of thirst and dehydration. What is he suffering from? A. over secretion of vasopressin
B. over secretion of aldosterone
C. under secretion of vasopressin
D. under secretion of aldosterone

Which events are likely to be catastrophic to an ecosystem? select the three correct answers.a-hurricane.b-steady population growth.c-seasonal flooding.d-introducing of an aggressive invasive species.e-tsunami.

Which statements correspond to cellular respiration? co2 diffuses passively into the cell. co2 diffuses passively out of the cell. co2 must be pumped out of the cell. o2 diffuses passively when produced inside the cell. o2 diffuses passively when converted to co2. o2 is pumped in and forces co2 out.

What happens whenever a net force acts on an object