Carbon dioxide is necessary for photosynthesis. The chemical used to remove this gas most effectively from entering a control apparatus is View Solution Doubtnut is No.1 Study App and Learning App with Instant Video Solutions for NCERT Class 6, Class 7, Class 8, Class 9, Class 10, Class 11...
Today, the term "carbon footprint" is often used as shorthand for carbon (usually in tones) being emitted by an activity or organization. The carbon component of the ecological footprint, which we call the carbon footprint, takes a slightly differing approach. Our carbon footprint measurement ...
such as friendship. If other people around us are unconcerned about us, we may feel left behind and lonely. So we should make friends and nurture friends we do have. Why do we need friends especially in modern society? In the first place, friends can bring us many practical b...
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Why do we plant trees?Here are some reasons.Trees can regulate our climate, maintaining ecological balance. Trees through photosynthesis, they absorb carbon dioxide, oxygen spit, Clean air, fresh. 65 acre forest emit eno Fixing trees can, conserve soil and water, but also to all ...
We cannot live without plants. We all need to eat fruits and vegetables.But do you know what the plants eat to live and grow? The answer is that plants do not eat at all! Plants make their own food. Their leaves use sunlight to combine carbon dioxide and water to make food. So ...
We need heat—not combustion—to release nicotine Nicotine in cigarette smoke is transferred from the tobacco at temperatures up to its boiling point around 247°C. That’s far below the temperature at which tobacco begins to burn, around 400°C.1 That means it’s possible to heat tobacco...
我们为什么需要植物
There will be brands for carbon removal. Are we going to brand a ton of CO2? I think we will. Roberta Fusaro:What sort of incentives do we need to create? How do we gin up demand for those brands? Mark Patel:The buying landscape today consists of what we call the “vo...
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...