谁能帮我翻译一下这两个句子?英译汉.

问题描述:

谁能帮我翻译一下这两个句子?英译汉.
since air has weight, it exerts force on any object immersed in it.
Hydrogen burns in air or oxygen, forming water.

1 由于空气是有重量的,它会对任何处于其中的物体施加作用力.
2 氧气在空气或氧气中燃烧,并生成水.