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 ...
preventing the blood from carrying oxygen. Therefore if you need hemoglobin in one way or the other to survive, then you at risk of this attack. This category affects all humans and is also one of the reasons why carbon monoxide doesn’t precisely affect plants because of their photosynthetic...
Usewaterwisely.Donotkeepthetaprunningwhenitisnotinuse. 2 Ifwealldothis, wecansignificantlypreventwatershortagesandreducetheamountofdirtywater. Donotthrowchemicals,oils,paintsormedicinesdownthetoilet.Inmanycities,yourlocal environmentofficecanhelpwiththedisposal(清除)ofmedicinesandchemicals.Andyoushould buymoree...
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. W...
“Plants were expected to get larger with increased carbon dioxide in atmosphere, but changes in temperature, humidity and nutrient availability seem to trumped the benefits of increased carbon dioxide,” said researchers from the National University of Singapore. 45 percent of the species studied now...
(10分)What do we need to live? People need food to eat, water todrink and air (oxygen) to breathe.(carbonPlants need the sun, water, air (carbon dioxide) and food todioxidegrow. Plants get their food from the things in the ground.rootsleavesThe leaves of plants and trees makeoxygen...
Carbon is not only found in the atmosphere. Our oceans store huge quantities of carbon, and so do deposits of coal, oil, natural gas deep underground, and plants. Carbon moves naturally from one part of our planet to another through the carbon cycle....
B. She forgot to do her homework. C. She had some problems with her study. 15. How long haven’t the two girls talked to each other? A. For two days. B. For seven days. C. For ten days. 16. What does ...
This process utilizes oxygen to produce energy, hence, called aerobic respiration. Answer and Explanation: A) Plants utilize water, light, and carbon dioxide to do photosynthesis and make the glucose production of energy in the form of ATP is...
14.WhatdoProfessorDavidKeith?swordssuggest? A.Producingenergyiseasierthanbefore. B.Consumingenergydamagestheenvironment. C.Burningcoalshouldbetotallystopped. D.Developinglow-carbontechnologiesishard. 15.Whichisrecommendedconsideringtheenvironmentandpracticaluse? A.Windenergy. B.Fossilfuel. C.Tidalpower. D.Sol...