Question

which planet is known as Earth twin and why​

Answer 1

MARS. BECAUSE OF SAME EXTENT AND SIZE..............

Answer 2

Answer:

Venus

Explanation:

Venus comes closer to the Earth than any other planet does. Venus is sometimes called the sister planet of Earth as they are quite similar in size and gravity. In other ways the planets are very different. Venus' atmosphere (air) is mostly carbon dioxide with clouds of sulphuric acid.