Which types of mechanical weathering are most likely represented below?
WeatheringAQ3

Which substance absorbs 58.16 kj of energy when 3.11 mol vaporizes? a)ch4 b)h2s c)co2 d)nacl

This element exists in adundance in the sun.explain how you would go about capturing sunlight.would this captured sunlight contain any of the element?

Can someone me with questions 15 to 17 plz.