A. Wind energy B. Solar energy C. Nuclear energy D. Hydro E. nergy 相关知识点: 试题来源: 解析 B。地球上生命的主要能量来源是太阳能(Solar energy)。选项 A 风能不是主要的;选项 C 核能不是生命的主要能量来源;选项 D 水能也不是主要的。反馈...
What is the main characteristic of new energy? A. Non-renewable B. Polluting C. Clean and renewable D. Expensive 相关知识点: 试题来源: 解析 C。解析:新能源的主要特点是清洁可再生。Non-renewable(不可再生)、Polluting(有污染)、Expensive(昂贵)都不是新能源的主要特点。
What is a source of energy ? What are the two main categories of the sources of energy ? View Solution Exams IIT JEE NEET UP Board Bihar Board CBSE Free Textbook Solutions KC Sinha Solutions for Maths Cengage Solutions for Maths DC Pandey Solutions for Physics ...
A.Fossil energy was once very cheapB.Farms in dry areas could get cheap waterC.Most American farmers used too much fertilizer and pesticideD.Mainstream American agriculture used to be wasteful of energy, water and land 相关知识点: 试题来源: 解析...
What device transforms electrical energy into mechanical energy? What changes mechanical energy to electrical energy? What kind of energy is stored energy? What are the two main types of energy? What dictates the energy of a mechanical wave?
What is the main source of energy for the Earth? A. The Sun B. The Moon C. The Stars D. The Wind 相关知识点: 试题来源: 解析 A。地球的主要能量来源是太阳。选项 B 月亮只是反射太阳的光;选项 C 星星距离地球很远,不是主要能量来源;选项 D 风是由太阳的能量引起的大气运动。
What is the main source of energy for the Earth? A. The sun. B. The moon. C. The stars. D. The wind. 相关知识点: 试题来源: 解析 A。听力中会提到地球的主要能量来源是太阳。B 选项月亮不是地球的主要能量来源;C 选项星星不是地球的主要能量来源;D 选项风是一种能量形式但不是主要来源。
The main source of energy is the sun. The sun's rays are changed into chemical energy for the plant to help it grow big and strong. Plants are important because it is how humans and animals get food. We get the energy we need by eating fruits, meats, and vegetables. What Are Diffe...
What type of energy change involves the most energy? Why? a. phase change b. chemical change c. nuclear change Forces of Nature: The four main forces of nature are the strong nuclear force, the weak nuclear force (which, despite its name is act...
Reda about types of energy, types of energy resources - Non renewable Resources, Renewable Resources. Know more about related concept @BYJU'S.