Explanation:
Single lensed Microscope for observing bacteria and protozoan
Answer:
Usually the Y chromosome. It is recessive because if one Y chromosone is mutated with red-green colorblindness and the X is not, the child will have colorblindness. But, if one X chromosome has the mutation and the other X does not, they will cancel out, meaning the child will not have colorblindness.
The skeletal system supports and protects the body and the muscular system is for movement.
the atmospere would drift off into space
none needed
