解析 关键词(句):carbon dioxide:二氧化碳翻译:如何把二氧化碳分成氢碳和氧气?根据句意,本题考查合成词的用法,根据常识可知,二氧化碳是由氢碳和氧气组成的,因此本题第一个空填Hydrogen,意思是氢,第二个空填Hydrogen,意思是氢。Hydrogen;Hydrogen 反馈 收藏 ...
17. How to split h___carbon dioxide (二氧化碳) into h___carbon and oxygen?18. I s___remembered that I didn't bring my key.19. It's going to rain. The broken window should be r___soon.20. Smoking may c___lung cancer. 相关知识点: 试题来源...
百度试题 结果1 题目10 How do carbon dioxide and oxygen move in and out of a mesophyll cell? A active transport B B diffusion C respiration D transpiration 相关知识点: 试题来源: 解析 B 反馈 收藏
2)Inside the cell to the area of lower concentration, the oxygen diffuses by the cell membrane,...
How do trees contribute to climate change? A. They release carbon dioxide and absorb oxygen. B. They absorb carbon dioxide and release oxygen. C. They increase global temperatures. D. They change weather patterns. 相关知识点: 试题来源: 解析 B。中文解析:树木吸收二氧化碳并释放氧气,对气候变化...
1. Transport of oxygen . It is transported from respiratory organs to body cells . (i) Haemoglobin helps in the transport of oxygen. In the alveoli of the lungs , the haemoglobin oxygen. In the alveoli of the lungs , the haemoglobin (Hb) present in red
How do trees contribute to climate change? A. By absorbing oxygen and releasing carbon dioxide. B. By absorbing carbon dioxide and releasing oxygen. C. By increasing greenhouse gases. D. By reducing soil E. rosion. 相关知识点: 试题来源: ...
In fact, whether natural gas is better or worse than coal depends on the way carbon dioxide equivalents are calculated. Some scientists have argued that gas can actually be worse for climate change than coal is, depending on how much leaks out while it’s being processed. Over time, we ...
emissions and its rapid accumulation in the atmosphere. This is more than a climate problem. N₂O alsodepletes the ozone layer, which protects humans from harmful solar radiation. And nitrogen runoff from fieldspollutes waterways, increasing harmful algal blooms and creating oxygen-depleted dead ...
Carbon dioxide is the main gas we exhale. It is produced by all cells in the body during the process of cellular respiration, which cells use to make energy. The body must transport carbon dioxide to the lungs to get rid of it.