Question

define buoyancy class 9th​

Answer 1

Explanation:

line on a map connecting points having the same atmospheric pressure at a given time or on average over a given period.

2.

Answer 2

the tendency of a body to float or to rise when submerged in a fluid testing an object's buoyancy. b chemistry : the power of a fluid to exert an upward force on a body placed in it the buoyancy of water also : the upward force exerted.