7. Which one is spinning device? Hand Spindle

Hand loom

Power loom

None of these
answer fast pls

How do scientists think that gravity affected the formation of our solar system?

At 450 mm hg a gas has a volume of 760 l, what is its volume at standard pressure

Apump contains 0.5 l of air at 203 kpa. you draw back on the piston of the pump, expanding the volume until the pressure reads 50.8 kpa. what is the new volume of the air pump