Which evidence is most likely used to indicate the beginning of solar system formation? A. Materials combined to form a mass.
B. Materials were pulled together by gravity.
C. Water condensed and collected to form oceans.
D. Different species of microorganisms lived on Earth.

I believe your answer should be B.) Materials were pulled together by gravity. I hope this helps you!

enhanced global partnerships and exploration capabilities may advance international preparedness for protecting the earth from catastrophic events such as some asteroid strikes, advancing collaborative research on space weather and protecting spacecraft by developing new means for space debris removal.

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