Sand is heavier than water when the volume of both substances is equal. The density of dry sand is between 80 and 100 pounds per cubic foot, whereas water is 62 pounds per cubic foot. The density of water depends on its temperature. These calculations convert to between 1,281 and 1,602...
8、If steel is heavier than water, why are ships able to ___ on the sea? A.floatB.flyC.fallD.flow 答案:A 句意:如果钢比水重,为什么船能在海上漂浮? 考查动词辨析。float漂浮;fly飞;fall落下;flow流动。根据语境可知,此处是询问“如果钢比水重,为什么船还能在海上漂浮”,故应用动词float。故...
题目A watermelon is 39g heavier than 4kg. What is the weight of the watermelon in grams? 一个西瓜比4分斤重39克,问这个西瓜重多少克? 相关知识点: 试题来源: 解析 4039克. 反馈 收藏
Cold water is more dense(稠密的) than hot water. So a glass of cold water is just a little bit heavier than a glass of hot water.When you pour hot water onto a hard surface(表面), it splashes around more than the cold water because it's less dense....
requiredsomuchelectricitythatitmadelittlesensetoproducehydrogenthatway.Thesituationis changingfortworeasons.First,significantamountsofexcessrenewableelectricityhavebecome availableatgrid(输电网)scale;ratherthanstoringexcesselectricityinarraysofbatteries,the extraelectricitycanbeusedtodrivetheelectrolysisofwater,“storing”...
Unit-14-What-life-Means-to-Me Organizationofthetext 1.Analysisofthetext ThetextisanautobiographicaldescriptionofJack London’squestforthemeaningoflife；thefrustrationanddisillusionmentheexperiencedin theprocessoffindingoutthemeaningoflife;andhisideologicaltransformation.Thechangeinhisoutlookwasdrastic,butthepathhas...
who is younger than jack? who is heavier than tom?… ③生自由练习. ④read and check. 2. look and write.(d部分) ①指导生看图,谈论图意。 如:p1: who’s taller the boy or the girl. p2: who’s stronger, the policeman or the doctor? p3: who are heavier, the oranges or the pears...
Of all the mountains, Mount Lingshi is the highest. It’s about 1,000 meters high. Few people in our village have climbed it. The rivers run quietly and the water in them is very clean. Shuiniu River is longer ...
I think maybe is waterfall cause it will ice up in winter.希望对你有帮助哦~
The rivers run quietly and the water in them is very clean. Shuiniu River is longer than any other river in our village and it’s about ten meters deep — the deepest of all the rivers in our village. Also, if...