An object of mass m is hanging by a string from the ceiling of an elevator. The elevator is moving down at constant speed. What is the tension of the string? A. Zero
B. Equal to mg
C. Less than mg
D. Greater than mg

vapour or gas assuming atmospheriv pressure

it doesn't. it was imagined up in the middle ages.

the journeys of marquette, joliet and la salle a) new france expand.

all three of these explorers explored the midwest and the area around the great lakes, which they subsequently claimed for france.

this was a big portion of territory and expanded new france which before then only consisted of quebec province in northeastern canada