Make the following conversion.
54 km = cm

c.is a substance that requires a small amount of energy per gram to raise its temperature; has strong cohesive forces between molecules.

explanation:

a colorless, transparent, odorless liquid that forms the seas, lakes, rivers, and rain and is the basis of the fluids of living organisms.

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

true is the correct answer

hope i

no sign of dia of fuel cell