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

Herbivores, carnivores, and omnivores are all types a. decomposers b. producers c. consumers d. biomes

Modern physics a photon emitted from an excited hydrogen atom has an energy of 3.02 electron volts. which electron energy-level transition would produce this photon? a. n=1 to n=6 b. n=2 to n=6 c. n=6 to n=1 d. n=6 to n=2 i chose b but the correct answer is d can someone tell me why? and what's the difference?

What are similarities and differences between refraction, reflection, diffraction and absorption?