Which of the following statements about asteroids is true? Asteroids are all very large and are mostly made up of stone, iron an
d nickel. Asteroids are all very large and are mostly made up of frozen water and gas. Asteroids vary greatly in size and are mostly made up of frozen water and gas. Asteroids vary greatly in size and are mostly made up of stone, iron and nickel.
Asteroids vary greatly in size and are mostly made up of frozen water and gas. This one is true.
They are said to be "mostly formed of ice and gas" as they rarely can be found consisting of stone, nickel and iron. These are extremely dangerous in our Universe.
