7. which of the following accurately describes kidney function? a. kidneys can excrete salts, but not glucose. b. kidneys will excrete salts if you have too little in your blood. c. kidney function is controlled by the blood's composition and hormones. d. kidneys are directed by the presence of antidiuretic hormone to excrete more water in urine.

The table presents the average day and night temperatures in five cities. it also reveals whether a city receives substantial rainfall (wet climate) or little rainfall (dry climate). which city’s rocks are likeliest to experience frost wedging, and why? a) city a because the consistently subzero temperature would prevent water from melting b) city b because it is a wet region and the temperature fluctuates around the freezing point c) city c because it receives plenty of rain fall and the weather is moderately cool d) city d because the hot and dry weather would cause rocks to absorb water