What major event happend that was considerd the real beginning of encient egypt

Which of the following statements is true about water access in the middle east? a. access to coastal waters is not important to people.b. most countries depend on outside resources for water.c. water is available in large supplies in all countries.d. all countries have sources of renewable freshwater.

Who did the first work in creating vaccines

What is a characteristic of hunter-gatherer societies?