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Why Do We Need Oxygen? Of course, we all understand that our environment must supply us with oxygen, water and food, without any of which we die. Although I have written about oxygen utilization in many posts on this website, it bears repetition because of what I want to say about nasa...
How can we isolate the nitrogen-fixing bacteria and look at them? Figure 7. Bacterial colonies growing on agar supplemented with a mixture of nutrients that favour the growth of symbiotic rhizobia from legume nodules. A nodule has been crushed and the contents streaked onto the agar. Proc...
That is literally HUNDREDS OF TRILLIONS OF POUNDS OF TOXINS discharged annually into our environment and the air we breathe – is it any small wonder why respiratory diseases, such as asthma, are now at all time high? 展开 年份: 2010 ...
Why do we get dizzy? Why is it important to maintain biodiversity in every ecosystem? Explain why the fungus and its mycelium are important to an ecosystem. What is the importance of nitrogen fixation? What is pollination and why is it important?
What Is Nitrogen? Infrared is a type of radiation that is actually invisible to the human eye, but when it is absorbed it produces heat. We can detect this heat by looking atinfraredspectrums, which are emitted when the atmosphere is warmed by the sun or by lightning. ...
Teachers can not teach us many things at school, but they do their best to teach us how to learn. Thanks to them, we learn knowledge. And at the same time, we learn how to live a happy life. They spend most time on their students. They are great in my eyes.老师不仅能...
a根、茎、叶中氮磷钾的营养元素的分布 In root, stem, leaf nitrogen phosphorus potassium nutritive elements distribution [translate] astay in the U.S. [translate] aSeattle, WA, United States 西雅图, WA,美国 [translate] awhy, why do we pass the blame , why we cannot just be friends, ...
a夜间和氮浓度互作 At night and the nitrogen concentration does mutually[translate] agains 获取[translate] a他不惧怕新思想,也不惧怕将来(nor+ inverted form) He does not fear the new thought, also will not fear the future (nor+ inverted form)[translate] ...
aSo.when you're gone.The pieces of my heart are missing you. When you're gone.The face I came to know is missing too. When you're gone.The words I need to hear to always get me through the day.And make it ok So.when您去。我的心脏片断是缺掉的您。 当您去。我来知道的面孔也是...