Where on earth could we findenough oil to power more than 60million cars for 60 years?And enoughnatural gas to heat 160 millionhouseholds for 60 years?You might be surprised to learnthat the answer is right here,inAmerica – 116 billion barrels of oiland 651 trillion cubic feet of natural...
W: Yeah, (15) but when I arrived home five minutes ago, I found that my car wouldn’t start. (17)And John is in Brighton on business. M: Do you know what’s wrong with the car? W: I’m not exactly sure. I think there’s a problem with the engine. (14)Uh, I wonder if ...
In addition, what impresses the customers most is that not only the quality of the clothes is reliable but the prices are reasonable and affordable.On top of that, if there is no damage to the clothes and they are preserved in good con...
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How I’m turning seaweed into biofuel for cars on Barbados Mechanical engineer Legena Henry converts sargassum and rum-distillery waste water to produce sustainable natural gas for vehicles. Kendall Powell Where I Work11 Nov 2024 I track bird movement to enhance conservation efforts ...
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Landfills are places where a large amount of waste and other refuse(垃圾) is buried in the ground. They are responsible for releasing a large amount of planet-warming methane(甲烷) gas into the atmosphere, a new study suggests.The study, which was published in Science Advances on Wednesday,...
Bugs aren’t just occasional nuisances, they’re crucial to the environment. Now populations of species worldwide are falling at alarming rates.
Whether introduced accidentally or intentionally, the pearl- process is the same: the mollusk coats the irritant with a substance called nacre. Nacre is composed chiefly of calcium carbonate. Because very few natural pearls are now on the market, most pearls used in fine jewelry are cultured. ...
(a–c) The cross-sections reveal evidence of submicron size titanomagnetite particles in the near-surface of the grain that display similar morphological traits as titanomagnetite particles found on the surface of Grain 1. (d–f) Submicron size titanomagnetite particles appear along the fungal-...