Which of the following best describes glomerular filtration rate (gfr)?
a. the volume of blood flowing through the glomerular capillaries per minute
b. the volume of filtrate created by the kidneys per minute
c. the volume of filtrate created at the glomerulus per liter of blood flowing through the glomerular capillaries
d. the volume of urine leaving the kidneys per minute

Describe the change in phase and temperature as water moves from the oceans to the atmosphere and then returns to earth again as rain. a) evaporation : temperature increases; condensation : temperature decreases; precipitation (rain) : temperature decreases b) evaporation : temperature increases; condensation : temperature decreases; precipitation (rain) : temperature increases c) evaporation : temperature decreases; condensation : temperature decreases; precipitation (rain) : temperature decreases d) evaporation : temperature increases; condensation : temperature increases; precipitation (rain) : temperature decreases