V. Fill in each aumbered blank with a word fromithe box.
Flood, temperatures, atmosphere, warm, colder, melt, global, burning
The news media has covered the problem of (24)__________warming many times over. At one time during the Ice Age the earth was much (25)___________than it is now and natural forces caused the planet to warm up to the (26)__________we experience now. That is normal climate change. Global warming is an increase in the temperature of the earth's (27)________ caused by the increase greenhouse gases. Natural levels of greenhouse gases like cacbon dioxide keep the earth (28) _______ excess gases from (29)_________ coal and automobike emissions cause the atmosphere temperature to rise. With warmer temperature the polar ice caps are starting to (30) ________ and add extra water to the oceans. low area. This raises the sea level and will eventually (31)________low areas