How many significant figures are in 31400

Why is the vapor pressure of a warm lake higher than the vapor pressure of a cold lake? o a. warm water has a greater heat of vaporization. ob. warm water evaporates more quickly. cool water evaporates more quickly. od. cool water has a greater heat of vaporization.

Particles vibrate in a rigid structure and do not move relative to their neighbors.

Stage in which a star’s outer layers have started to cool and grow outward?