They are putting too much carbon dioxide into the atmosphere, ___ prevents heat from escaping from the earth into space. A.what B.that C.which D.who扫码下载作业帮搜索答疑一搜即得 答案解析 查看更多优质解析 解答一 举报 C 本题考查定语从句。Which引导非限制性定语从句,代指前面的一句话。句意:...
Green air conditioning options and other ways to make AC more eco-friendly could have a positive impact on our environment. Why isn’t AC eco-friendly? Air conditioners use a lot of electricity to operate. Electricity production emits carbon dioxide into the atmosphere. Carbon dioxide is consid...
Which sequence correctly traces the path that oxygen takes from the atmosphere to the lungs? a. Mouth pharynx, trachea, bronchi, alveoli b. Larynx, esophagus, trachea, bronchi, alveoli c. Nose, bronchi, larynx, trachea, lung d. Epiglottis, trachea, cr ...
The third major downside to aluminum capacitors (with the exception of the solid polymer types) is that the liquid electrolyte solutions tend to evaporate over time, eventually being lost to the atmosphere by diffusion through the rubber sealing plug, leaks in safety vent structures, or similar ...
【题目】Itisprettywellunderstood___controlstheflowofcarbondioxideinandouttheatmospheretoday. A.whatB.whenC.thatD.how 试题答案 在线课程 【答案】A 【解析】 试题分析:句意:现在人们非常清楚是什么控制着二氧化碳进出大气层。分析句子结构可知it是形式主语,后面的主语从句缺少主语,用连接代词,故选A。 练习册...
It is pretty well understood controls the flow of carbon dioxide in and out the atmosphere today.A.thatB.whenC.whatD.how
1.It is pretty well understood_controls the flow of carbon dioxide in and out of the atmosphere today.A.that B.that what C.what D.how2.He will tell us_he thinks of our arrangement.A.that B.what C.how D.if3.The reason_he referred to for his success is_he always worked hard.A....
So what happens is: when we burn this carbon, ok, it doesn't really release a whole lot compared to the amount that's already there in the atmosphere, but it adds to the pool. And over years it accumulates. Think of the atmosphere as a big bathtub. It's basically already filled to...
So what happens is, when we burn this carbon—OK, it doesn't really release a whole lot, compared to the amount that’s already there in the atmosphere, but it adds to the pool.And over years it accumulates. Think of the atmosphere as a big bathtub:It’s basically already filled to...
is a type of alternative jet fuel that can curb carbon emissions byup to 80%. It has a low carbon footprint because it is usually made from plants that have absorbed carbon dioxide (CO2) during their lifetime. When burned, that CO2 is returned to the atmosphere, whereas burning traditiona...