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 ...
A. It makes oxygen and takes in carbon dioxide.B. It helps people move things from one country to another.C. It takes in and stores heat from the sun, then the water carries that heat around the world.D. It gives us different kinds of seafood and vegetables 相关知识点: ...
and oxygen-rich blood travels by a cell as the oxygen molecule is small in size and has no c...
(i) Transport of oxygen. The haemoglobin present in the red blood calls takes the oxygen from alveoli of the lungs. The oxygen is carried by blood to all parts of the body. As the blood passes through the tissues of the body, the oxygen from the blo
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
There are two ways that oxygen is transported in the blood: Dissolved in the blood plasma (1.5%); and Bound to hemoglobin (98.5%). Most oxygen is transported by hemoglobin inside the red blood cell. Oxygen is poorly soluble in water, thus very lit...
for community gatherings. They provide a space for neighbors to come together and interact, strengthening the sense of community. Additionally, these parks also act as a green buffer against climate change, absorbing carbon di...
Trees are essential to our survival . They are a major part of the process of photosynthesis . Photosynthesis is the process in which green plants use carbon dioxide to produce oxygen ,and oxygen is something all of us need . The fewer trees there are ,the more this affects our ability to...
Carbon dioxide is essential for the survival of animals. Oxygen is carried to body tissue during breathing and carbon dioxide is released. The gas protects the pH level of blood. Too much carbon dioxide, however, can kill animals. If carbon dioxide is confined, it can decrease the amount of...
For example, if so much carbon dioxide were added to the ocean that the dissolving depth rose high enough, all shells everywhere in the ocean might start dissolving.例如，如果在海洋中加入这么多的二氧化碳，使溶解深度上升到足够高的程度，海洋中所有的贝壳都可能开始溶解。While possible, this is a ...