Explain buoyancy in one sentence

the tendency of a body to float or to rise when submerged in a fluid testing an object's buoyancy.

Explanation:

The meaning is from Merriam Webster for more such unique nd it also has easy meanings you can download that

(Source Merriam Webster)

Hope it helps unnie

Mark me as Brainliest plz!

Have a nice day

Anything that displaces fluid is acted on by an upward force equal to the weight of the displaced fluid.

i think the answer would be b

as we know our atmosphere or air have different levels. every level has other gasses, and every gas has another permeability. when the light comes from lower permeability to higher permeability, it changes its direction. so that means that when the light comes from the moon to the earth, it changes it's direction many more times. it basically means that the shape of the light part of the moon is changed on the earth.

hope this ! this is not copied! search it up, it's free of plagiarism!