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(a) The temperature is low, and the air is dry(b) The temperature is high, and the air is dry(c) The temperature is low, and the air is humid(d) The temperature is high, and the air ...Read more
(a) The temperature is low, and the air is dry
(b) The temperature is high, and the air is dry
(c) The temperature is low, and the air is humid
(d) The temperature is high, and the air is humid
(a) Anthracite(b) Bituminous coal(c) Lignite(d) Peat β
(a) Anthracite
(b) Bituminous coal
(c) Lignite
(d) Peat β
