What does the Big Bang Theory explain?
A. The origin of the Milky Way Galaxy
B. The origin of the universe
C. The source of red color on Mars
D. The origin of the Moon
Answer: B
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Since the fall of the Soviet Union, ethnic conflicts have troubled Tajikistan, and Kyrgyzstan
Indicate whether the statement is true or false
An analemma is used to:
a. plot the movement of Earth around the sun. b. determine the amount of incoming solar radiation. c. Estimate the circumference of Earth. d. show the declination of the sun throughout the year.
The trade wind inversion
A) is highest along the eastern margins of oceans. B) is unrelated to the height of the marine layer. C) promotes greater vertical cloud growth farther to the west. D) allows more convection as it decreases in height.
When Calcium (Ca) bonds with oxygen, it gives up two electrons. What is the charge of the Ca ion in this compound?
A) -2 B) +1 C) +2 D) -1