Aman walked back and forth in a straight line. if he travels from point a to point b, then turns around and stops at point c, what is his total displacement after 2 minutes? a. 150 b. 350 c. 100 d.50

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organisms are more likely to be more preserved in mud than sand because mud is moist and wet, while sand is very dry.

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the atomic number of carbon is six, which means that a carbon atom has six protons. carbon has three naturally occurring isotopes: carbon-12, carbon-13, and carbon-14. which of these statements are true about carbon and its isotopes? select all that appl