What do plants use from the air to make food? A. Oxygen B. Nitrogen C. Carbon dioxide D. Argon 相关知识点: 试题来源: 解析 C。中文解析:文中提到“Plants also need air. They use carbon dioxide from the air to make food.”,植物利用空气中的二氧化碳制造食物。反馈 收藏 ...
Usewaterwisely.Donotkeepthetaprunningwhenitisnotinuse. 2 Ifwealldothis, wecansignificantlypreventwatershortagesandreducetheamountofdirtywater. Donotthrowchemicals,oils,paintsormedicinesdownthetoilet.Inmanycities,yourlocal environmentofficecanhelpwiththedisposal(清除)ofmedicinesandchemicals.Andyoushould buymoree...
14、can be made into a material that 正确答案是:can hold electricity energy wel题目3 TOC o 1-5 h z Super-capacitors made from carbon.正确答案是:can easily carry an electrical current题目4The story tells the readers the truth that.正确答案是:one persons trash is another persons treasure 题...
What do plants store carbohydrates as? Carbohydrates Carbohydrates are used by both plants and animals. Animals use them for energy, while plants use them for building and storage. Plants and animals both have methods of storing excess carbohydrates, but plants do not store them as glycogen the ...
Nature, as nature tends to do, keeps most of these emissions in balance. Plants absorb CO2 through photosynthesis, and oceans absorb just about as much carbon dioxide as they let off. Carbon cycles through our air, water, and soil in a continuous process that supports life on earth. ...
14.WhatdoProfessorDavidKeith?swordssuggest? A.Producingenergyiseasierthanbefore. B.Consumingenergydamagestheenvironment. C.Burningcoalshouldbetotallystopped. D.Developinglow-carbontechnologiesishard. 15.Whichisrecommendedconsideringtheenvironmentandpracticaluse? A.Windenergy. B.Fossilfuel. C.Tidalpower. D.Sol...
greenplants,in which way we can not only improve the environment,but also can make our home more beauty. In my opnion, the most important thing to reach the low-carbon economic is everyone must try their best do what they can do for it.Once everyone have the sence of low-carbon ...
What do they need?How can we help them? 相关知识点: 试题来源: 解析 Plants are very important to us. They can make food from air, water and sunlight through photosynthesis. They give off oxygen which we must breathe to live. They also take in the carbon dioxide which we breathe out. ...
In addition, they add energy into their accounts of the food chain and combustion, but they make mistakes and therefore their accounts of cycles are very similar to those of Level 2 students (Figure 3). For example, energy may cycle with the carbon returning to plants in the nutrients in ...
creating a substantial carbon footprint. Moreover, it’s made of tree fibres, so it adds to the risk of deforestation. To mitigate this, try to source post-consumer or post-industrial recycled paper and cardboard from sustainable packaging manufacturers and look for mater...