Heat from the sun, some heat escapes, some heat is trapped by the atmosphere, more greenhouse gases are produced, cows produce methane, transportation creates CO 2, some power stations burn coal, factories burn fossil fuels, less heat escapes, more heat is trapped, forest fires.

The Greenhouse Effect and Global Warming

由
打印
嵌入

排行榜

视觉风格

选项

切换模板

恢复自动保存：？