C. The Bering Land Bridge once connected what would be Russia and North America but the the movement of these continents separated the land bridge
Two functions of the skeleton system are:
- It is a support structure for the body
- It provides protection our internal organs
14,7,8 is incorrect
I think
The atmosphere also protects living things on Earth from the sun's harmful ultraviolet radiation. A thin layer of gas called ozone high up in the atmosphere filters out these dangerous rays. The atmosphere also helps to sustain life of Earth.
