In photosynthesis, energy of the sun is used to change carbon dioxide and water into: trace elements
potassium and phosphorus
oxygen and sugar
nitrogen and oxygen

c is the correct answer!

i think the answer is composed of atoms

here is the answer

water, ice, acids, salts, plants, animals, and changes in temperature are all agents of weathering. weathering is the breaking down or dissolving of rocks and minerals on earths surface. once a rock has been broken down, a process called erosion transports the bits of rock and minerals away.