The birth of the solar system occurred ________.
A) about 500 million years ago
B) about 5 billion years ago
C) about 40 billion years ago
D) about 500 billion years ago
E) about 5 million years ago
Correct Answer:
Verified
Q18: Which of the following is NOT a
Q19: The Sun is a star in the
Q20: Geography is _.
A) a physical science
B) a
Q21: A cross section of Earth cut from
Q22: Earth's diameter is _ kilometers.
A) 13
B) 130
C)
Q24: _ is the deepest spot in the
Q25: Eratosthenes was the first to accurately measure
Q26: The origin of the universe is incompletely
Q27: The altitudinal difference (relief) between the top
Q28: The best description of the actual shape
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