In cold climates, the amount of snow on the ground may decrease even if the temperature stays below zero degrees celsius. the process that best explains this event is
a. condensation.
b. sublimation.
c. melting.
d. evaporation

What is the h+ concentration for an aqueous solution with poh = 4.01 at 25 ∘c? express your answer to two significant figures and include the appropriate units.

C3h8o3 - glycerol major species present when dissolved in water

Great amounts of electromagnetic energy from our sun and other bodies in space travel through space. which is a logical conclusion about these electromagnetic waves? their energy must be very their frequency must be very low these waves can travel without a medium they only travel through a vacuum of space