Which characteristics of Earths atmosphere make the planet suitable for human life?
A: The atmosphere blocks heat from the sun, keeps oxygen near Earths surface, and allows rays in through the hole is the ozone layer
B: The atmosphere blocks heat from the sun, provides carbon dioxide, and allows rays in through the hole in the ozone layer
C:The atmosphere keeps Earth warm, provides carbon dioxide, and blocks harmful rays from the sun
D:The atmosphere keeps Earth warm, keeps oxygen near Earths surface, and blocks harmful rays from the sun