A. To make sugar. B. To carbonate soft drinks and make dry ice. C. To make coffee. D. To make bread. 相关知识点: 试题来源: 解析 B。中文解析:文中提到“Carbon dioxide is also used in the food and beverage industry. For example, it is used to carbonate soft drinks and to make ...
Whatiscarbondioxide?SummaryGroupsofchildrentoexploresomesimpledemonstrationsofcarbondioxidegasActivities1.Carbondioxidefromafizzydrink.2.CarbondioxidewithanAlka-Seltzer.3.Bakingsodavolcano.TeacherinfoCarbondioxideisacolourlessandodourlessgas.Itmakesupabout0.4%oftheatmosphere.Itisproducedasawasteproductwhenfuelisusedto...
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。
At the moment, we are adding carbon to the atmosphere faster than the natural processes can remove it. We are adding carbon in the form of in the form of CO2. That is why carbon dioxide concentrations in our atmosphere are increasing, which is causing global warming (climate change). In ...
帷幕法是超前支护的一种井巷特殊施工方法 其实质是预先在井筒或其他地下结构物设计位置的周围 建造一个帷幕法是超前支护的一种井巷特殊施工方法,其实质是预先在井筒或其他地下结构物设计位置的周围,建造一个封闭的圆形或其他形状的混凝土帷幕,其深度应穿过不稳定表土层,并嵌入不透水的稳定岩层( )
What Is Carbon Dioxide? When Is Carbon Dioxide?In this article, I focus on carbon capture and storage (CCS), a controversial climate change mitigation technology that operates by collecting carbon dioxide from point sources and depositing it in underground locations, such as depleting oil ...
What is CO2? Carbon dioxide (or CO2) is a colourless and odourless naturally occurring gas in the earth’s atmosphere which is made up of one carbon atom and two oxygen atoms. As a greenhouse gas (GHG), it traps heat, making sure the planet isn’t uninhabitably cold. However, fast ...
Carbon Dioxide or CO2 is a greenhouse gas that is natural and harmless in small quantities, but as levels rise it can affect productivity and sleep. Most commonly produced indoors by the air we exhale, CO2 levels concentrate indoors with less ventilation....
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。
Plants absorb carbon dioxide. What is the significance of this for the ecosystem? A. reduce pollution B. increase oxygen C. help animals breathe D. balance the E. cosystem 相关知识点: 试题来源: 解析 D。植物吸收二氧化碳,对生态系统的意义是平衡生态系统。选项 A“reduce pollution”是减少污染;...