Why is the weather so hot? Essay for full marks in the college entrance examination

[Why is the weather getting hotter and hotter? Composition]

During the Spring Festival, the weather is clear and the sun is shining. The temperature is slowly rising, which adds a lot of fun to the festival. Why is the weather getting hotter and hotter? composition. In the past few days, I followed my father and mother to visit relatives, go to the park, and sometimes play with children. I was sweating profusely almost every day. I thought: "Isn't it winter now? Why is the weather so hot?" I quickly ran to ask my grandma. Grandma said with a smile: "Yes! It's winter now and it doesn't feel like winter anymore. Many pedestrians on the street have taken off their winter clothes, even my old lady is only wearing a sweater! Scientists have said that in the past 100 years, the average global temperature has It has risen by nearly one degree. The earth is warming this year. This warm winter phenomenon is a manifestation of global warming. "Grandma, why is the world warming?" I asked quickly. Grandma said: "Now that industry has developed, transportation has also flourished. Look at the chimneys of factories, the cars speeding through the streets, and the trains, ships, and airplanes traveling from north to south. They consume hundreds of thousands of dollars every day. Thousands of tons of coal and oil are emitted into the air. Originally, carbon dioxide and other waste gases can be absorbed by plants. However, due to human deforestation, the carbon dioxide in the air has not only not decreased, but has increased sharply. The exhaust gas surrounds the earth, as if it has covered the earth with a thick invisible film, which prevents the heat on the ground from dissipating, so people feel hot. "After saying this, grandma also lifted it up for me. An example of a farmer uncle using a plastic greenhouse to grow vegetables in winter. It is said that our earth is like a greenhouse that does not easily dissipate heat. The more I listened, the more interesting I became, and more and more questions came to my mind, so I asked my grandma: "Is global warming a good thing or a bad thing?" Grandma was afraid that she couldn't explain clearly, so she found a science and technology magazine from the bookcase. , after watching it for a few minutes, he told me: "Scientists have analyzed that global warming has many disadvantages but few benefits. If the temperature continues to rise, the ice and snow in the Antarctic and Arctic will melt faster, and the sea level will rise. If we don't find a way, Control, in 50 years, seaside cities like Shanghai and New York may be submerged by sea water. At the same time, global warming will accelerate water evaporation, change the circulation speed, trigger heat waves, hurricanes, floods and droughts, which will be extremely harmful to human beings. Elementary school Third grade composition "Why is the weather getting hotter? Composition".

"I was so scared that I stuck out my tongue and thought: "What a terrible thing this is. All this is caused by exhaust gas. If one day, people use solar energy and electricity to replace coal and oil, and plant trees everywhere. Purify the air, then the bad things like exhaust gas will have no place, global warming will stop, and the space we live in will become more and more comfortable and beautiful! "Why is the weather getting hotter and hotter? A 750-word composition for primary school students (/)