In the formula c = 2r, c stands for

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.

Which characteristics can be used to differentiate star systems? check all that apply.

Adilute aqueous potassium nitrate solution is