WHY DO WE WEIGH MUCH ON THE EARTH THAN ON MERCURY

20. Why do we weigh much on the earth than on Mercury? - Because ________

A. Mercury has got less gravity than the earth. B. none are correct.

C. Mercury is nearer to the sun. D. Mercury is much hotter.

V. Chọn cõu cựng nghĩa với mỗi cõu cho sẵn sau.