Answer:
slightly tilt the barometer below barometric height.if the mercury fills up the space,then there Is no air.if it doesnt,then there is air
Answer:
distance=10km=10*1000=10000m
time=5min=5*60=300sec
average speed=distance/time
= 10000/300=33.33m/s
Explanation:
Answer:
its obviously D if all the other says "incorrect answer" XD
Explanation:
