By the end of the Permian, small mammal-like reptiles called the ____________________ evolved

from the pelycosaur. Fill in the blank(s) with the appropriate word(s).


therapsids

Environmental & Atmospheric Sciences

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Renewable energy includes all of the following except ________

A) the sun B) the wind C) rain D) natural gas E) geothermal heat

Environmental & Atmospheric Sciences

During its orbit the earth's maximum distance from the sun is approximately 152 million kilometers. Which of the following is the correct way to express this number in scientific notation?

A) 1.52 x 10^5 B) 1.52 x 10^6 C) 1.52 x 10^7 D) 1.52 x 10^8

Environmental & Atmospheric Sciences

Rare, but complete preservation of fossils occurs in ________

A) amber B) limestone C) shale D) mudstone

Environmental & Atmospheric Sciences

It is impossible for a country to have a negative rate of natural increase

Indicate whether this statement is true or false.

Environmental & Atmospheric Sciences