Plasma is the fourth, most energetic, state of matter. Heat up ice (solid), and it melts into water (liquid). Keep heating it, and it changes again into water vapor (gas). If you keep heating that gas, though, it will become plasma. Plasma is a cloud of atoms, like a gas, but...
【题目】T he sky was filled with gas gave off light like the sun.A、whenB、whereC、whatD、that 答案 【解析】宾语从句的概念:置于动词、介词等词性后面起宾语作用的从句叫宾语从句。宾语从句的语序必须是陈述语序。谓语动词、介词、动词不定式,v.-ing形式后面都能带宾语从句。有些形容词(afraid,sure,gl...
The sun is a star. What is the main source of the sun's energy? A. Water B. Gas C. Nuclear fusion D. Electricity 相关知识点: 试题来源: 解析 C。太阳的主要能量来源是核聚变。选项 A 水不是太阳能量来源;选项 B 气体不是主要能量来源;选项 D 电不是太阳能量来源。
A star is a ball of hot, glowing gas. The sun is the closest star to Earth. That is why we feel its heat and see its bright light. You can’t see the sun on cloudy days. But it is still shining behind the clouds.People and animals need the sun’s light and heat to stay...
Passage: "The sun is the center of our solar system. It is a massive ball of hot gas that gives light and heat to the planets. Without the sun, there would be no life on Earth."问题:What is the sun? 答案 解析 null 本题来源 题目:阅读理解题:阅读下文并回答问题。Passage: "The s...
A.who B. what C.which D.where 答案 优质解答相关推荐 1()8.Ozone is a gas protects people from the sun.A.whoB.whatC.whichD.where( ) 8.Ozone is a gas_protects people from the sun. A.who B. what C.which D.where 反馈 收藏 ...
i learned that someti i learned to lie i leave the gas on i left a note on his i let out an i let tears fall like i let you happy in ot i lifted his head i light a cigarette i like a cat in the d i like bangin strippe i like basketball i like birthday prese i like coun...
百度试题 结果1 题目()8. Ozone is a gasprotects people from the sun.A. whoB. whatC. whichD. where 相关知识点: 试题来源: 解析 C 反馈 收藏
where is the life tha where is the nearest where is the sun wher where lionel messi where the boys are where the circle of l where the company has where the eagle soars where the legitimate where the principal o where the river will where there are great where there is a well where th...
000andthepressureequivalentto250billionatmospheres.Thegasinthecoreissocompressedthatitis150timesasdenseaswater.Thesunreleases3.86e33erg/s(3860billionmegawatts),whichisproducedbynuclearfusion.About700milliontonsofhydrogenatomsareconvertedtoapproximately695,000,000tonsofheliuminasecondand5,000,000tons(=3.86e33erg)...