Which of the following is the basis of one Earth year?
a. One complete revolution of Earth around the Sun
b. One complete rotation of Earth on its axis
c. One complete rotation of the Moon on its axis
d. One complete cycle of the phases of the Moon
Answer: a. One complete revolution of Earth around the Sun
Environmental & Atmospheric Sciences
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A) red blood cells. B) white blood cells. C) platelets. D) hemoglobin.
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The policy of protecting domestic infant industries is called ________
What will be an ideal response?
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The world's largest arid desert is the Sahara
Indicate whether this statement is true or false.
Environmental & Atmospheric Sciences
The coldest of all air masses is
a. ?mT. b. ?mP. c. ?cT. d. ?cF. e. ?cA.
Environmental & Atmospheric Sciences