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Câu hỏi:
(2) ..................
- A. lakes
- B. stones
- C. sand
- D. water
Lời giải tham khảo:
Đáp án đúng: D
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CÂU HỎI KHÁC
- Conservation, sustainable use and protection of (1) _______ resources including plants, animals, mineral deposits, soils, clean
- (2) _______, clean air, and fossil fuels such as coal, petroleum, and natural gas.
- Natural (3) _______ are grouped into two categories, renewable and nonrenewable.
- A (4) _______ resource is one that may be replaced over time by natural processes,
- (5) _______ fish populations or natural vegetation, or is inexhaustible,
- such as (6) _______ energy.
- The goal of renewable resource conservation is to ensure (7) _______
- such resources are not consumed faster than they are (8) _______.
- Nonrenewable resources are those in limited supply that cannot be replaced (9) ______ can be replaced only over extremely long
- (10) _______ of time.