B. Stars are planets. C. Stars are large masses of gas that give off light and heat. D. Stars are moons. 相关知识点: 试题来源: 解析 C。这句话的意思是恒星是巨大的气体球,能产生光和热,答案是 C。A 选项表示恒星是小的固体天体;B 选项表示恒星是行星;D 选项表示恒星是月亮,均不符合题意...
aplease choose what gas all of these fout cases produce.the four cases are acidrain on a limestone statue,a candle burning,a dog panting and fermenting grapes to make wine 请选择什么气体这些fout案件produce.the四案件全部是acidrain在石灰石雕像,一个蜡烛烧,狗气喘和发酵葡萄做酒 [translate] ...
A语篇类型:说明文 主题语境:人与自我 词数:283 难度:★★★(2022· 江苏省淮海中学高二开学考试)How doeskeepingthingstidychangepeoplepsychologically? Yougaingreaterconfidenceinyourself.Also,youbecomemoreoptimisticandcalmerinthemindthanbefore.Thereareseveralreasonsforthesechanges:yourself-imageimprovesasyoustartliving...
aplease choose what gas all of these four cases produce, the four cases are acid rain on a limestone statue ,a candle burning, a dog panthing and fermenting grapes to make wine 请选择什么气体这四个案件全部导致,四个案件是酸雨在石灰石雕像,一个蜡烛烧,狗panthing和发酵葡萄做酒[translate]...
Even so, while cardboard definitely counts as green packaging, it has environmental drawbacks. When it’s dumped into landfill sites, its biodegradation emits methane gas, creating a substantial carbon footprint. Moreover, it’s made of tree fibres, so it adds to the r...
24. Why does industry do much damage to the sea? A) Because most factories have proper wastetreatment plants. B) Because many factories have not proper wastetreatment plants even the most modern one. C) Because just the modern factory has a waste treatment plant. ...
ozone (O3), which molecule comprises 3 oxygen atoms (the molecules of the “regular” oxygen gas have only 2 atoms of oxygen). When we say that these gases are “natural”, it does not mean that men did not play a role in the amount we can find in the atmosphere today. It just ...
aplease choose what gas all of these four cases produce, the four cases are acid rain on a limestone statue ,a candle burning, a dog panting and fermenting grapes to make wine 请选择什么气体这四个案件全部导致,四个案件是酸雨在石灰石雕像,一个蜡烛烧,狗气喘和发酵葡萄做酒 [translate] ...
Oil well equipmentand service companies provide support services to exploration and production companies. They generally do not produce oil. Notable companies in this space include Baker Hughes and Halliburton. Of all the industries within the oil and gas sector, oil and gas exploration and ...
Soft commodities futures are often morevolatilethan others because of the unpredictable risks involved, including the weather. Hard commodities, on the other hand, are mined and extracted, such as oil, natural gas, and precious metals. All of these commodities are a major part of thefutures mar...