Does work illuminate, reflect, transfer, or stop energy

This image is an example of a(n) a) atom. b) compound. c) mixture. d) molecule.

Which class of molecules functions as chemical signals? hormones water carbohydrates proteins

What role does weathering have in shaping earth’s surface? a) it allows sediments to fall out of a medium. b) it sediments settle on a new surface. c) it breaks down older material into sediments. d) it transports sediments to a different location. will give brainliest, answer quickly.