Aflat area on a mountain is known as ?

What occupation did muhammad have before the first revelation

An organ system consists of a group of organs that performs specific functions necessary for the survival of an organism. humans have eleven different organ systems: integumentary, skeletal, muscular, nervous, endocrine, circulatory, lymphatic, respiratory, digestive, urinary, and reproductive. discuss the function of neurons, the brain and the spinal cord within the human nervous system while explaining the interrelationship of each organ.

Explain how the number of similarities between the embryos from early stage to late stage is used as evidence of a common ancestry