58:35 Humidity can best be described as .
A.
water that falls back to Earth’s surface
B.
the amount of moisture in the Earth’s atmosphere
C.
how hot or cold the Earth’s atmosphere is at a given time
D.
pressure caused by the weight of the Earth’s atmosphere

Seed plants that lived during the carboniferous impact life on earth today because a. they are the ancestors of all plant life on earth. b. their remains formed coal, which is an important resource. c. they produced fossils that are used to date many geologic events. d. their presence caused oxygen levels to drop, allowing animals to evolve.

All of the following are extrusive landforms except           a. batholiths.   b. lava plateaus.   c. shield volcanoes.   d. geysers.  

What are some natural resources found in midwest