What has to be different to allow refraction to occur?
a. the medium
b. the light
c. the wave
d. the speed

11. you want to calculate the displacement of an object thrown over a bridge. using -10 m/s2 for acceleration due to gravity, what would be the total displacement of the object if it took 8 seconds before hitting the water?

State the right hand rule of the direction of magnetic field in a conductor carrying current

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