Oxygen: Human and animals need it to breath., 21% of the air, come out from the plants , Carbon dioxide : Plants need it in photosynthesis to make food, 1% of the air, come out from breathing and from burning, Nitrogen: Plants take it from soil , 78%,

Air composition

由
嵌入

排行榜

视觉风格

选项

切换模板

恢复自动保存：？