A cat sits on the top of a fence that is 3.0m high. The cat has a gravitational potential energy of 87.9J. What is the mass of the cat?

the main thing i would use is bricks because if there is a hurricane, there is a great possibility for the house to still stand. and i would also use plexiglass windows instead of regular windows because plexiglass isn't prone to breaking.

the food storage products of chrysophytes are oils or the polysaccharide laminarin.   formerly classified as plants, the chrysophytes contain the photosynthetic pigments chlorophyll a and c all but the yellow-green algae also contain the carotenoid pigment fucoxanthin.

a chain link fence because there so tiny even my albino donkey can't get out