When a roller coaster is at the top of a hill, it has high energy.
a. solar
b. kinetic
c. potential
d. trophic

Zamir and talia raced through a maze. zamir walked 2 m north, 2 m east, 4 m south, 2 m east, 4 m north, 2 m east, 3 m south, 4 m east and 4 m north. talia walked 2 m north, 6 m east, 3 m south, 4 m east, and 4 m north. compare their displacements:

Most energy in an ecosystem comes originally from_

Name three different units of energy used to measure heat and describe what type of situations each is usually used.