Which best explains why a thick tropical forest filled with large plants typically has a lot of water vapor in the air? a. the plants undergo transpiration. b. the plants undergo condensation. c. the plants prevent water from evaporating. d. the plants prevent water from becoming runoff.

Diffraction is when light is bent around obstructions. which of the these observation about clouds would indicate diffraction? a) after rain storms, you can sometimes see rainbows. b) clouds are white or gray and cannot be seen through. c) on a cloudy day, the temperature tends to be cooler than a sunny day. d) the edges of dark clouds appear lighter. this

Polar bears give birth and hunt on sea ice. which of the following would polar bears survive during the melting of arctic ice? growing another layer of fur during summer migrate inland to search for different food sources staying put until the ice refreezes sticking to the usual diet of seals

True or false exosphere is the least dense