About _?_ percent of the solar energy that reaches the outer atmosphere is absorbed at the earth’s surface a - 20
b - 30
c - 50
d - 70

supercell thunderstorms are perhaps the most violent of all thunderstorm types, and are capable of producing damaging winds, large hail, and weak-to-violent tornadoes

layer 3 is younger than layer 6.

which

what is a measurement of the earth’s history divided into time periods?

> fossil record <

sedimentary rock

> geologic time scale <

radioactive elements