The warming ot the Earth is caused by exhaust gas from automobile engines, factories and power (23) ________. Carbon dioxide goes up into the atmosphere, and it form a kind of screen that keeps or allows the sunshine in but stop the Earth heat (24) _______ getting out. It works like a greenhouse, that’s why we call (25) ________ the Green House effect. Because ot this effect, the Earth is getting warmer alt the time. This (26) ________ in temperature will cause big changes to the world’s ...

The warming ot the Earth is caused by exhaust gas from automobile engines, factories and power (23) ________. Carbon dioxide goes up into the atmosphere, and it form a kind of screen that keeps or allows the sunshine in but stop the Earth heat (24) _______ getting out. It works like a greenhouse, that’s why we call (25) ________ the Green House effect.

Because ot this effect, the Earth is getting warmer alt the time. This (26) ________ in temperature will cause big changes to the world’s climate. The sea level will increase as the ice (27) _______ the poles will melt.