THE CLOSER TO ONE OF THE EARTH'S POLES, THE GREATER GRAVITA...

164. - De thi trac nghiem TOEIC tong hop
De thi trac nghiem TOEIC tong hop
164. The closer to one of the Earth's poles, the greater gravitational force. (A) is(B) the(C) has(D) it hasfeeding to filter mud and water from the tiny plants and