In 2000, ________ of United States wildland fires were caused by lightning.

A. 10%
B. 85%
C. 15%
D. 26%


Answer: C

Environmental & Atmospheric Sciences

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Victims of ________________ must be permanently isolated from the rest of society

a. AIDS b. hepatitis B c. multi-drug resistant tuberculosis d. measles e. SARS

Environmental & Atmospheric Sciences

The Morrison Formation contains one of the richest assemblages of mammal fossils. Indicate whether the statement is true or false

Environmental & Atmospheric Sciences

Which of the following hypotheses about the formation of the Moon was supported by lunar materials brought back to Earth by the Apollo astronauts?

A. It was formed from debris that coalesced following a collision between Earth and another planetoid. B. It was a planetoid captured into Earth's orbit. C. The moon was "spun" off from Earth during a time when Earth's rotation was much greater. D. The moon and Earth formed together from the same from the same cloud of dust and debris.

Environmental & Atmospheric Sciences

What is meant by the term thermohaline conveyor belt?

What will be an ideal response?

Environmental & Atmospheric Sciences