The sun gives us light and heat. It is very important to life on Earth. How does the sun give us heat? A. By burning fuel B. By nuclear fusion C. By magnetic fields D. By E. lectric currents 相关知识点: 试题来源: 解析 B。解析:根据科学常识,太阳通过核聚变产生热量,这是科学事实。
ENERGY FROM THE SUN What does get to us from the Sun, providing the vast majority of the energy we use, is energy in the form of light, or, more generally, electromagnetic radiation, which includes: Radio waves Microwaves Infrared radiation Visible light Ultraviole...
题目The sun is a star. It gives us light and heat. How far is the sun from the earth? A. 150 million kilometers B. 100 million kilometers C. 200 million kilometers D. 50 million kilometers 相关知识点: 试题来源: 解析 A。本题考查对太阳与地球距离的常识,太阳距离地球约 1.5 亿...
1. How much of the Sun's heat comes to the Earth? A. A lot of. B. None. C. Only a little.2. Where does the Earth get most of its heat? A. From the Moon. B. From the stars. C. From the Sun.3. Which of the following sentences is TRUE? A. People get most of their ...
The sun is a star. It gives us light and heat. How far is the sun from Earth? A. 150 million kilometers. B. 500 million kilometers. C. 1 billion kilometers. D. 5 billion kilometers. 相关知识点: 试题来源: 解析 A。太阳距离地球约 1.5 亿千米。选项 B、C、D 的距离与实际不符。
（1）In which city can you usefallto refer to the third season of a year?
How does the amount of heat the sun gives off in two weeks compare with all other known sources and reserves of energyA.More.B.Less.C.As much as.D.About the same.的答案是什么.用刷刷题APP,拍照搜索答疑.刷刷题(shuashuati.com)是专业的大学职业搜题找答案,刷题
How does the sun emit energy? Did the sun kick-start life on Earth (and the rest of our solar system)? Does the sun rotate? Why does the sun send out solar flares? Will the burn out? (And if so, when? And what will happen to Earth and its inhabitants when the sun dies?) Let...
What does it mean to be green? “Green” is more than just a color. It also means taking special steps to protect the environment—the water, the land, and the air we breathe. Why green? Plants are green, and without them the earth wouldn’t be such a lovely home for us human ...
Exercise is widely known for its physical benefits, but how exactly does it benefit the skin? Well, healthy blood circulation is always good for the skin. But to go deeper into this, exercising nourishes skin cells as it helps increase the blood flow throughout the body. As you may know,...