Which statement about asteroids is not true? (a) if we could put all the asteroids together, they would make an object about the size of earth.(b) some are more like loosely bound piles of rubble than solid chunks of rock.(c) many but not all orbit the sun in the asteroid belt.(d) most asteroids are not spherical in shape.

Option (A)

Explanation: Asteroids are the irregularly shaped blocks of rocks that revolves round the sun in the asteroid belt. They are present right from the beginning of the formation of the solar system. It ranges in size from a few meters to about 1000 meter.

Asteroids, if all combined together then it will be still smaller in size compared to our moon.

Thus, option (A) is the correct answer.