Perhaps more than anything else, it was onerous taxes that led to 'the Peasants' Revolt in England in 1381.
Giải chi tiết:
Đáp án là D. onerous: nặng >< light : nhẹ
Các từ còn lại: burdensome: nặng nề; heavy: nặng; easy: dễ dàng
Around 150 B.C. the Greek astronomer Hipparchus developed a system to classify stars according to brightness.
Biogas can be utilized for electricity production, cooking, space heating, water heating and process heating.