A fossil is found in a layer of rock. This layer of rock determines the fossil’s age. This demonstrates Select one:
a. relative age
b. absolute age
c. superposition
d. half-life

HEPL ME PLZ

Does work output exceed work input when a machine is used? a) yes, it does, as machines create energy. b) it depends on the type of machine used. c) no, it doesn’t, as machines are inefficient. d) no, it doesn’t, as machines cannot create energy.

If you put a helium-filled balloon in the refrigerator, what will happen?

Aspacecraft that renters the earth’s atmosphere drastically slows down. the amount of kinetic energy the spacecraft has as it reenters the earths atmosphere