The main reason for global warming is the increase of ___ gases in the atmosphere. A. greenhouse B. redhouse C. whitehouse D. blackhouse 相关知识点: 试题来源: 解析 A。本题考查词汇“greenhouse gases(温室气体)”的表达。选项 B、C、D 均不是正确的表达,“greenhouse gases”是指导致全球变暖...
Greenhouse gases in the atmosphere act like a blanket. What does this "blanket" mainly do? A. It only reflects sunlight B. It absorbs and re - emits heat radiation from the Earth C. It blocks all heat from the Sun D. It makes the E. arth lose all its heat quickly 相关知识点: ...
aThere are several main types of pollution and well-known effects of pollution. One type of air pollution is the release of particles into the air from burning fuel for energy. Another type of pollution is the release of harmful gases in the atmosphere, forming smog and acid rain. The gree...
aThe U.N.'s world Meteorological Organization announced last week that the rise in greenhouse gases in the atmosphere accelerated to a record high in 2012.Carbon dioxide, the main heat-trapping gas, was responsible for 80% of the jump, pushing concentrations to levels not seen in at least ...
Throughout the past century humanity did everything in its power to control nature.We dammed earth's rivers,chopped down the forests and exhausted the soils.Burning up fuels,we pumped a great deal of greenhouse gases into the air,altering the chemistry of the atmosphere and wa...
aThe U.N.'s World Meteorological Organization announced last week that the rise in greenhouse gases in the atmosphere accelerated to a record high in 2012. Carbon dioxide, the main heat-trapping gas, was responsible for 80% of the jump, pushing concentrations to levels not seen in at least ...
),than it absorbs,new research suggests.Results from a decade-long study of greenhouse gases over the Amazon rainforest appear to show around 20% of the total area has become a net source of CO2 in the atmosphere.One of the main causes is deforestation.While trees are...
7. What are the four gases that have a large impact in the atmosphere? 8. According to some scientists, how many percent of the Great Barrier Reef will disappear by 2075 if the earth continues on the path it is on? 参考答案:1. How does the writer develop his main ideas about ... ...
aAbstract: food modified atmosphere packaging technology can effectively extend the shelf life of food products, with the mechanism of modified atmosphere packaging and the use of the main protective gases (carbon dioxide, oxygen and nitrogen) is widely used, the prospect of gas storage in meat pr...