For example,animals give off carbon dioxide gas when they breathe.When plants make food, they absorb this gas from theair, using the carbon and releasing some of the oxygenback into the air. The oxygen that is released, then, isagain supplied to animals. Thus the cycle continues,animals ...
oxygen During composting, microorganisms eat the organic (carbon containing) waste and break it down into its simplest parts. This produces a fiber-rich, carbon-containinghumuswith inorganic nutrients like nitrogen, phosphorus and potassium. The microorganisms break the material down throughaerobic respira...
It refers to the interaction or relationship of two or more species living closely within an ecosystem. Usually, it results in mutual benefits. Plants give off oxygen during the process of photosynthesis, which the humans then breathe. Humans, meanwhile, release carbon dioxide, which the plants ...
The forest is the heart of the earth. It continuously supplies us with oxygen. If we lack the awareness of fire prevention and let the fire rage in the forest, what we finally bring is the polluted carbon gas. We will lack oxygen and suffocate Human! human beings! Lets improve our aware...
First, we can plant more flowers and plants. It can purify air, carries on the photosynthesis, carbon dioxide into oxygen, trees can save a lot of ground water, prevent soil erosion, solid earth, also can withstand the sand. How important the trees are! We can think of environmental prote...
17. Which of the following is one way for plants to improve the air inside buildings? A . They breathe out carbon dioxide. B . They produce oxygen. C . They give out harmful chemicals. D . They make the air dry. 18. Which can be the best to fill in the blank ___ in Paragraph...
Plants convert carbon dioxide into sugar and oxygen in the presence of sunlight. Plants store their sugar in the form of starch, which is used for growth and maintenance. Another essential factor necessary for plants to grow is soil. Air, water, sunlight, soil and warmth are the five things...
的句子:animals give off carbon dioxide gas when they breathe. When plants make food, they absorb this gas from the air, using the carbon and releasing some of the oxygen back into the air. The oxygen that is released, then, is again supplied to animals可知植物可以释放氧气:release oxygen...
China has pledged to continue reducing emissions this year of three key air pollutants-ammonia nitrogen, sulfur dioxide and nitrogen oxide.The government has also promised to bring down demand for chemical oxygen-a measure of water pollution by l.5 percent from the 2010 levels. In the last five...
For most of these plants, a massive root disk at the bottom of the pot had to be cut off like a giant slice of salami. If necessary, I “tickled” the remaining rootball to work out the rest of the media. Here is Erysimum‘Winter Passion’ potted, depotted, and washed. Not too ...