It is observed that the human population keep increasing significantly and it began to increase noticeably around 10,000 years ago.The greatest factor of this increase is the rapid development of the agricultures in lands, as well as the domestication of animals. These are the reasons why population increases at that time.
An atom that has gained or lost electrons is called an ion
Answer:
Fragments of rock are squeezed and cemented together.
Explanation:
