Which of the following characteristics of the Earth are essential to the existence of life 1. Earth's size causes acceleration due to gravity to be 9.8 m/s2.
2. Earth's atmosphere is composed of mostly nitrogen with oxygen and carbon
dioxide.
3. Earth's surface has an abundance of silicon oxide in the form of
sand.
4. Earth's surface temperature ranges from -88°C to 58°C.
5. Earth's magnetic field repels some solar radiation from reaching the surface.
A. 2 , 4. B 1 , 2 , 4. C 2 , 4 , 5. D. 1 , 3