How Much Did the U

question 29

Multiple Choice

How much did the U.S.airlines spend on fuel in 2014?

• A) $60B
• B) $46.3B
• C) $50M
• D) $60M

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Definitions:

Antarctica

Antarctica is Earth's southernmost continent, containing the geographic South Pole and characterized by its vast ice sheets and extreme cold temperatures.

Ecological Restoration

The process of assisting the recovery of an ecosystem that has been degraded, damaged, or destroyed, aiming to return it to its original condition.

Extinction

The disappearance of a species from Earth, occurring when a species can no longer reproduce at replacement levels and dies out.

Endangered

A status indicating that a species is in danger of extinction throughout all or a significant portion of its range.