Define the atmosphere and give 3 - three examples of what the atmosphere does for the earth.

helps people breathe, helps plants grow, helps people live

The atmosphere is a mixture of gases that surrounds the planet.

-TheUnknownScientist 72

the period of human evolution has coincided with environmental change, including ('hominin' refers to any bipedal species closely related to humans – that is, on how do we know earth's climate has changed? a map showing dates and locations of prehistoric archeological sites and migration routes from africa into.

answer; obey the closest relative's wishes;