Examlex
At 1800 degrees Fahrenheit, this part of atmosphere is heated almost directly by the Sun's rays.
Presidential Election
The process by which the President of the United States is elected, typically held every four years, involving the Electoral College system.
Dan Quayle
The 44th Vice President of the United States, serving under President George H.W. Bush from 1989 to 1993, often remembered for his verbal gaffes.
Clean Air
The concept of maintaining or improving the quality of outdoor air by reducing pollutants, emissions, and contaminants, often through regulatory measures and environmental policies.
Exxon Valdez
The Exxon Valdez was an oil tanker whose 1989 spill off the coast of Alaska resulted in one of the most significant environmental disasters in U.S. history.
Q18: Rocks solidified from molten material,either below or
Q30: Part of Pluto's orbit is inside the
Q31: Earth's albedo is _.
Q35: The three fusion reactions used by the
Q81: The Jovian planets<br>A) are composed mainly of
Q83: Stratocumulus clouds belong to the _ cloud
Q107: Which of the following is not a
Q130: By definition,the universe consists of<br>A) all energy
Q137: Earth's thin,rocky,outer layer on which we live
Q140: The geologist Harry Hess proposed the theory