Characteristics sometimes called a "dirty snowball" has a hydrogen cloud has a coma and a nucleus invisible except when near the sun this is a description of a(n) a) asteroid. b) comet. c) meteor. d) star.

in simple terms, the principle states that the buoyancy force on an object is equal to the weight of the fluid displaced by the object, or the density of the fluid multiplied by the submerged volume times the gravitational acceleration, g. this is also known as upthrust.

i don't understand. explain it clearly