_____ acts asa sort of antigravity, driving things apart rather than pullingthem together.

A. Plasma energy
B. Dark matter
C. Atomic matter
D. Dark energy


D. Dark energy
Explanation: In the late 1990s it became apparent that therate of expansion of the universe is accelerating, and mostcosmologists believe that this acceleration is driven by anew form of energy, known as dark energy, which acts asa sort of antigravity, driving things apart rather than pullingthem together.

History

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All of the following are related to the environmental movement EXCEPT

A) Silent Spring. B) the Comstock Act. C) the Sierra Club. D) Earth Day.

History

What was the Catholic response to the charges raised by various offshoots of Protestantism?

What will be an ideal response?

History

The references in the Declaration to "laws of nature" show the political ideas of _____ heavily influenced the authors.

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

History

Which of these ushered in the golden age of Greek culture?

A) overseas colonization B) defeat of Persia C) development of the city-states D) the Peloponnesian War

History