According to the big bang theory how did the universe begin? what evidence supports this theory?

Which equation represents a fission reaction? o "9n+h—150 o 235u + n—190cs + rb+25 o be + he—1c + in o 28 np —> 2390 pute

What are the three major branches of natural science? • earth and space science, life science, physical science •earth and space science, physical science, chemistry •physical science, life science, chemistry •life science, chemistry, physics

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