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...
根据Solar power, wind power, nuclear and fossil fuels可知此空为复数形式。source表示"来源",复数形式为sources。故答案为:sources。相关推荐 1【题目】Solar power, wind power, nuclear and fossil fuels are the main s of energy that are used to produce electricity....
The graphs show that oil was the main energy source for the USA which was used to produce 42% energy in the 1980s and 33% in 1990s. It shows that oil produced energy declined in 1990. Around one-fourth of energy in the USA came from natural gas both in these decades. This article ...
Sound Energy Sound energy is a form of energy that travels in waves that are made when matter vibrates. Here are some examples: Beating on a drum Ringing a bell Here is a sound wave model the bottom waves have higher frequencies than those above. Light Energy Light energy is a form...
Allen, Jae. What Is The Main Source Of Energy For The Water Cycle? last modified March 24, 2022. https://www.sciencing.com/main-source-energy-water-cycle-7317326/ Tharakorn/Getty Images When you've got to go, you've got to go, but sometimes circumstances get in the way. You might ...
必修一UNIT 3综合评估 高一第二节(共5小题;每小题2.5分,满分12.5分) from becoming the main source of energy. However阅读下面短文,从短文后的选项中选出可以填入空白处的最佳选项。 energy compared with traditional power sources.选项中有两项为多余选项。 Wind energy also has its own problems. Wind Wi...
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。
As SVTs are variable, it means the unit rates of your gas and electricity can go up and down as your energy supplier dictates — though you'll have to be given notice of this happening. They are the type of energy tariff that are affected by price rises and the energy price cap, the...
The Two Types of Fat 两类脂肪 Fat is a concentrated source of energy. 脂肪是能量的主要来源, It can be divided into two main groups—saturated and unsaturated. 它有饱和与不饱和两大类。 Saturated fat is generally solid at room temperature and is usually from animal sources. 饱和脂肪在常温下...
This article explores the main types of economic sectors and the business activity associated with them, and how investment sectors play a role in determining a nation's economic conditions. Key Takeaways Sectors are used to categorize the economic activity of consumers and businesses into groupings...