The endosymbiosis explains how eukaryotic cells may have evolved from prokaryotic cells.
C it will be c because earth has water
The Answer is C. stratosphere
Answer:
Explanation:
Bones are organs composed of hard living tissue providing structural support to the body – it's scaffolding. It is a hard matrix of calcium salts deposited around protein fibers. Minerals make bone rigid and proteins (collagen) provide strength and elasticity. ... The outer layer of bone is called Cortical bone.
Photo receptors are attached to the retina and are most numerous specifically at the fovea
