To the best of our knowledge, the Earth, Sun, and Moon are all the same age, about ________ years old.
A. 1 billion
B. 4.6 billion
C. 500 million
D. 100,000
E. 4000
Answer: B
Environmental & Atmospheric Sciences
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a. tributary. b. drainage divide. c. drainage basin. d. order. e. discharge.
Environmental & Atmospheric Sciences
What people eat, or refuse to eat, has little to do with culture
Indicate whether the statement is true or false.
Environmental & Atmospheric Sciences
The basic building block of a silicate is composed of ________
A) 3 oxygens and 1 silicon B) 2 oxygens and 1 silicon C) 1 oxygen and 1 silicon D) 4 oxygens and 1 silicon
Environmental & Atmospheric Sciences
At totality during the lunar eclipse, the Moon generally appears ________ in color.
A. yellowish B. greenish C. reddish D. bluish
Environmental & Atmospheric Sciences