The sea level will increase as the ice (27) _________the poles will melt.
A. covering
Đáp án A
Câu mẹnh đề rút gọn dạng chủ động
According to the passage, which of the followings supports healthy ecosystems?
It works like a greenhouse, that’s why we call (25) _________the Green House effect.
When (27)_______ visual signals are not possible, more formal signals may be needed.
Which of the followings is the flow of water from the ground to the surface?
He felt that if people could be shown a better way of living then maybe they would be interested enough to try to protect their (24)__________environment.