Answer:
hope it helps
Explanation:
Life on Earth began some 3.8 billion years ago, at the end of a period known as the late heavy bombardment. The earliest known fossils on Earth date from 3.5 billion years ago, and there is evidence that biological activity began even earlier - just after the late heavy bombardment period ended.
In the past, living conditions were not as pleasant as they are now. Many homes lacked bathrooms and running water, and many individuals couldn't afford domestic appliances such as a refrigerator, television, or vacuum cleaner because they were considered luxury items.
