CO2 releases into the atmosphere in a ton of ways. The largest source of natural carbon emissions is the exchange of carbon dioxide between the oceans and the atmosphere. Animals and plants also emit CO2 through the process of respiration (breathe in oxygen, breathe out CO2)....
Reducing carbon emissions is necessary. What does “carbon emissions” mean? A. 碳排放 B. 碳回收 C. 碳利用 相关知识点: 试题来源: 解析 A。动名词 Reducing carbon emissions 作主语。“carbon emissions”是“碳排放”的意思。动名词作主语时后面的谓语动词要用单数形式,这与复数名词作主语不同。
What is the importance of reducing carbon emissions? A. It helps slow down global warming B. It makes the air dirtier C. It wastes more resources D. It has no E. ffect 相关知识点: 试题来源: 解析 A。本题考查环保知识。减少碳排放有助于减缓全球变暖。让空气变脏、浪费更多资源、没有影响...
What is the main source of carbon dioxide emissions? A. Transportation B. Industry C. Agriculture D. Households 相关知识点: 试题来源: 解析 B。工业是二氧化碳排放的主要来源。选项 A 交通运输也是排放源之一但不是主要的。选项 C 农业有一定排放但不是主要来源。选项 D 家庭排放相对较少。
What is the function of a carbon sink? A. It regulates carbon emissions from human activities B. It measures the amount of carbon dioxide in the ecosystem C. It collects and drains seasonal rainwater from the soil D. It removes carbon dioxide naturally from the atmosphere 相关知识点: ...
To determine how much carbon emissions a person may need to balance, an individual can calculate his own carbon footprint, which is a numerical figure based on the amount of fossil fuel-based energy he uses to power his home, car and any other modes of transportation he may use. Depending...
Others, however, say that carbon offsets are a good way to reduce emissions overall while big countries figure out how to cut their own emissions without hurting their economies. As the Kyoto Protocol is enforced and the world becomes more serious ll bec about greenhouse gas reductions, carbon...
选项 A“Deforestation”森林砍伐会减少吸收二氧化碳的能力,但不是主要排放原因;选项 C“Population growth”人口增长会间接影响环境,但不是二氧化碳排放增加的主要原因;选项 D“Natural disasters”自然灾害不是二氧化碳排放增加的主要原因。选项 B“Industrial production”工业生产会大量排放二氧化碳,是主要原因。
What are some ways to reduce carbon emissions? A. Using fossil fuels. B. Wasting more resources. C. Using renewable energy sources and improving energy efficiency. D. Doing nothing. 相关知识点: 试题来源: 解析 C。解析:文章中提到减少碳排放的方法有使用可再生能源如太阳能和风能,以及提高能源效率...
Steve Attinger