Gases diffuse most efficiently across a) thin, moist selectivly permeable membrane. b) thin, moist impermeable membrane. c) thick, moist selectivly permeable membrane. d) thick, moist impermeable membrane

Clouds form when water vapor to form small droplets. a. humidifies b. condenses c. evaporates d. precipitates

Read these sentences from the text. near the equator, the tropics receive the most rain on a consistent basis. as a result, the fresh water falling into the ocean decrease the salinity of the surface water in that region. [. .] . . as the salt content of sea water increases, so does its density. what can you infer about how rain affects the density of surface water near the equator?

Stage in which a typical star has completely stopped fusion