Question

What protects Earth's surface?

the atmosphere
the hydrosphere
the geosphere
the biosphere

Answer 1

Answer: atmosphere

Step-by-step explanation:

protects us from harmful ultraviolet solar radiation

Answer 2

The answer is A. The atmosphere

Step-by-step explanation:

Not only does it contain the oxygen we need to live, but it also protects us from solar UV rays. The atmosphere also creates the pressure, liquid water couldn't exist in the planets surface without pressure