火的作用

更新时间: 2021-03-06 11:34:21     

1、在远古时代,火被用于烹饪较难消化的食物、照明、取暖、驱赶野兽、热处理材料等等。学会用火使人类能够移民到气候较冷的地区定居。

2、近代人类,除了基本用途之外,还用火烹茶,煎药。使熟食得到了进一步的推广。

3、到了现代,人类利用火力发电,以煤炭、石油和天然气为燃料产生电力。

关键词: 作用

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