Khan academy sucks. can someone answer this? :)

When the water vapor cools it condenses select a number that represents his process on the

Pastoral farming is best described as a. a method of raising livestock and moving herds b. an african method of agriculture c. a method of cultivating crops on poor soils d. a common method of desert farming select the best answer from the choices provided a b c d

If 3 moles of a compound use 24 j of energy in a reaction, what is the a hreaction in j/mol?