What's the most likely explanation for color blindness

Study this image which statement best describes the rock shown check all that apply

Which scientific design has both practical limitations and limitations due to scale? studying the effect of bleach on the growth of mold spores exposing cultures of duckweed to different intensities of light observing the replication of dna molecules with a hand lens using colored marbles to model a cross between two colors of rabbits

What is the primary function of the nervous system?