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Burning too much coal and oil produces lots of greenhouse gases. It has become warmer on the earth now than in the past. Gases put into the atmosphere now will affect the earth years later. The temperature in a greenhouse is as high as that in the atmosphere.
RAI=MCC+MNC+LAC； RAI=MCC+MNC+LAI； RAI=MCC+MNC+RAC； RAI=MCC+MNC+LAC+RAC。
no plants would grow on our planet earth would be thirty degrees colder man could not live on the earth all of the above answers are correct
keep the plants warm. prevent air pollution. stop the greenhouse effect. produce useful gases.
the way in which gases are used for keeping plants warm a natural course which is to some degree helpful to us the way" greenhouse gases trap heat on the earth the whole course in which greenhouse gases prevent heat
the greenhouse effect the burning of fossil fuels the potential effect of air pollution the likelihood of a new ice age
a decline in agriculture. a drop of the sea level. the death of all animals. a delay in the greenhouse effect.
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isn’t it does it doesn’t it is it
shares the same view with the scientists is uncertain of its occurrence rejects it as being ungrounded thinks that it will destroy the world soon
pollution few trees the greenhouse effect changes in the climate
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cut off cut up cut out cut down
the way in which gases are used for keeping plants warm a natural course which is to some degree helpful to us the way" greenhouse gases trap heat on the earth the whole course in which greenhouse gases prevent heat
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