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。
结果1 题目The sun is a star. What is the main source of energy for life on Earth? A. the moon B. the stars C. the sun D. the planets 相关知识点: 试题来源: 解析 C。本题考查科学知识。太阳是地球上生命的主要能量来源。反馈 收藏 ...
The source of energy of stars is nuclear fusion. Fusion reaction occurs at very high temperature, about 107. Energy released in the process of fusion is due to mass defect. It is also called Q-value. Q=Δmc2,Δm= mass defect. Mass equivalent to the energy 931MeV is View Solution Nuc...
How does the sun produce energy? Where does the sun's energy come from? What is the energy source of stars primarily associated with? What makes up the sun? The Sun makes energy through a process called? Which electromagnetic waves emitted from the sun produce heat?
Where does chemical energy come from? What is the energy source of stars primarily associated with? What makes a lighting bug light up? What is the energy of a photon of green light? What type of energy transformation is performed by a lamp?
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。
A. The sun. B. The moon. C. The stars. D. The planets. 相关知识点: 试题来源: 解析 A。本题考查地球能量的主要来源。地球的主要能量来源是太阳。B 选项月亮不是地球能量的主要来源;C 选项星星不是地球能量的主要来源;D 选项行星也不是地球能量的主要来源。反馈...
The origin of the highest energy cosmic rays is still unknown. The discovery of their sources is expected to reveal the workings of the most energetic astr... K Kotera,AV Olinto - 《Physics》 被引量: 291发表: 2011年 Cosmic Rays: The Most Energetic Particles in the Universe Cosmic rays ar...
Because of this linking the words in a sentence do not always sound the same as we they are said individually. Sound leaking is probably the biggest problem for learns of English. When they try to understand a native speakers words. If you recognize some the liking white living, you will ...
正在翻译,请等待...[translate] a但是没有你 Mais ne vous a pas[translate] aWhat is the name of the rock that orbits the earth? (moon or mars or stars or sun): 岩石的名字是什么围绕地球旋转? (月亮或火星或者星或者太阳) :[translate]...