Mt. McKinley in Alaska has an altitude of 20,320 ft. Water (AH/ap 40.7 kJ/mol) boils in 77°C atop Mt. McKinley. What is the normal atmospheric pressure at the summit?

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

it's filtration, but this is an assumption so my apologies if i got this

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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