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
解析 C.whose 结果一 题目 8. Ozone is a gas ___ protects people from the sun. A. who B. whom C.whose D.which 答案 C.whose 相关推荐 18. Ozone is a gas ___ protects people from the sun. A. who B. whom C.whose D.which 反馈 收藏 ...
Who discovered hybridoma technology? What human-made chemical damages the ozone layer? Who invented cataract treatment? Who invented the kaleidoscope? Which trace gases are greenhouse gases? Who coined the term biodiversity hotspot? Who discovered tinea pedis?
Why is p-iodonitrobenzene driven by the formation of nitrogen gas? Who is the creator of the graduated cylinder? Briefly explain how this discovery was created. Who discovered Boyle's law and which year was the law published? Describe Rutherford's preparation of nitrogen from air. Was the gas...
My name is Tony Heller. I am a whistle blower. I am an independent thinker who is considered a heretic by the orthodoxy on both sides of the climate debate. I live in Columbia, Maryland – an amazing city where I can ride my bicycle everywhere through the forest, and never need to ge...
百度试题 结果1 题目( ) 8. Ozone is a gas ___ protects people from the sun. A. who B. what C. which D. where 相关知识点: 试题来源: 解析 C 反馈 收藏
Roy Patrick Kerr (; born 16 May 1934) is a New Zealand mathematician who discovered the Kerr geometry, an exact solution to the Einstein field equation of general relativity. His solution models the gravitational field outside an uncharged rotating massive object, including a rotating black hole...
Back in the 1980s, it was discovered that chemical gases used in air conditioning, refrigeration, and aerosol cans — collectively known as chlorofluorocarbons (CFCs) or ozone-depleting substances (ODSs) — were damag...
Who discovered photon? Why does a cathode ray tube have a vacuum? Who invented the ozone layer? Does a cathode ray tube shoot an electron? What is used to remove oxygen from cathode ray tubes? Who discovered the quantum theory of radiation?