If you wanted to do calculations with speed (distance/time), which base units would you use mile and hour kilogram and second meter and second meter and gram

if the thermos has a vacuum innner, then heat through conv currents and conduction are reduced = vacuum flask

the earths atmosphere is made up of nitrogen and oxygen. solids can turn into gasses through a process called sublimation. sublimation is the transition of a substance directly from the solid to the gas phase, without passing through the intermediate liquid phase.

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