The Sun is composed almost entirely of two gases. They are ________ and ________
Fill in the blank(s) with correct word
hydrogen; helium
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The most lethal epidemic in recent years has been:
A) AIDS B) Malaria C) Syphilis D) The Black Plague E) Mad cow disease
The U.S. government allocates approximately ________ percent of its GNI to foreign aid
A) 12 B) 7 C) 2 D) 1 E) 0.2
Why did Hutton propose what eventually became known as the principle of superposition?
A. To explain the existence of fossils found in rocks he was studying. B. To explain that the earth must be very old based on his observations. C. To defend Biblical accounts for the formation of the earth.
Which of the Coastal South's barrier islands was hit by a massive hurricane in 1900 that killed about 600 people?
A) Galveston, Texas B) Palm Beach, Florida C) Hatteras Island, North Carolina D) Tybee Island, Georgia