Fires need oxygen(氧气). Without oxygen they will die. There is oxygen in the fire

游客2024-01-15 59

问题 Fires need oxygen(氧气). Without oxygen they will die. There is oxygen in the fire. Cover a fire with water, sand, or sometimes with your coat.

选项

答案火的燃烧需要有氧气。没有氧气，火就着不起来。有火就有氧气。用水、沙子或你的外套可以盖住火。

解析

转载请注明原文地址:http://tihaiku.com/zcyy/3365809.html

相关试题推荐

随机试题

最新回复(0)

Bacteriaare______toosmalltobeseenwithoutamicroscope.A、farB、fairlyC、so