This occurs when the surfaces of any kind of matter move past each other? a.) newton b.)friction c.)nuclear d.)projectile

1 - wave length

2 - amplitude

3 - crest

4 - trough

explanation:

duh.

myth. it was once thought that animals, including cats and dogs, could only see in black and white. however, scientists have proven this to be a myth. in all animals, including humans, the perception of colour is determined by the presence of cells in the eye called cone photoreceptors.