The distance from one wave crest to another is one
A. Amplitude
B. Frequency
C. Wavelength

wavelength

Explanation:

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.

im srry but ur wrong the answer is d a smooth rock, some red dirt, and an empty bird's nest.