Mark the letter A, B, C, or D to indicate the word(s) CLOSEST in meaning to the underlined word(s) in each of the following questions.

Question . Land erosion is mainly caused by widespread deforestation

A. afforestation

B. reforestation

C. logging

D. lawn mowing

Nếu dùng 1 tấn khoai chứa 25% tinh bột thì thu được bao nhiêu kg glucozơ? Biết hiệu suất phản ứng là 75%.

A. 1111,11kg

B. 208,33kg

C. 833,33kg

D. 277,78kg