The O2- ion has ___ protons and ___ electrons. What is the formula for an ionic compound made of carbon and oxygen? What is O2 on the periodic table? What is Cr's oxidation number? What does nitrogen and oxygen make? What explains the negative charge on the oxygen atom within the ...
A. Digestion. B. Respiration. C. Filtration. D. Production. 相关知识点: 试题来源: 解析 B。解析:“The lungs are also essential. They take in oxygen and release carbon dioxide. This process is called respiration”,肺吸入氧气并排出二氧化碳的过程叫做呼吸作用。反馈 收藏 ...
What kinds of bonds are possible between carbon and oxygen? What are inert gases called? What is the least reactive non-metal? What element will be more reactive with another element? Explain. What is a hydrogen bond acceptor? What does nitrogen and oxygen make?
Scientists at MIT are trying to figure out where the oxygen in the universe comes from, and how oxygen and carbon are made.
Proterocladus was able to performphotosynthesis, taking energy from the sun to produce life-supporting carbon and oxygen. The plant also provided food andshelter for many different kinds of sea life.The fossils represent the oldest green seaweed ever found.The next oldest fossil of green seaweed ...
Autothermal reforming uses oxygen and carbon dioxide (CO2) or steam to react with methane to form hydrogen. The downside of these two methods is that they produce carbon as a by-product, so carbon capture and storage (CCS) is essential to trap and store this carbon. Green hydrogen is produ...
( ) 3. What can go into a plant? A. Sugar and oxygen. B. Sunlight, carbon dioxide and water. C. Sugar, oxygen, carbon dioxide, and water. 相关知识点: 试题来源: 解析 【答案】B【核心短语/词汇】plant:植物【翻译】什么能进入植物?【解析】A.糖和氧气;B.阳光、二氧化碳和水;C.糖、氧气、...
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). And when these plants and animals decompose, organisms within the soil respire to produce energy and emit more CO2 into the atmosphere....
How are blood oxygen levels checked using the ABG test? An ABG test uses blood drawn from an artery, where the oxygen and carbon dioxide levels can be measured before they enter body tissues. The blood is put in an ABG machine (blood gas analyzer) that provides your blood oxygen levels ...
Decarbonization, a reduction of carbon in the atmosphere, can be achieved by switching to energy sources that emit less carbon and by counteracting any carbon that is emitted. Many organizations and governments have pledged to decarbonize, or make the transition to net zero, in the coming years...