Ozone is an unstable faintly bluish gas that is the most chemical active form of Oxygen

Câu hỏi liên quan

• They agreed with waiting for me if I was late.

• Without any hesitation, he did a decision not to take the course.

• No matter what different, various music types have one thing in common touching the hearts of the listeners.

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•  Do you know what do they need their own laptop for?

• We/ stay/ to/ at/ afternoon/ decided/ this/ home.

• For they, the biggest success was winning the golden prize.

• In football, a small yellow card is shown to a player by the referee as a warning that the player not obeyed a rule.

• He/ usually/ go/ herd/ buffaloes/ other boys/ village.

• There is evidence that the caribou originated into North America and crossed over all land bridge into Asia and evolved into the Old World’s reindeer.

• Match the sentence (A, B, C, D) to make meaningful sentence: "We will wait ________________"

• A calorie is the quantity of heat required to rise one gallon of water one degree centigrade at one atmospheric pressure.

• Nuclear energy, despite its early promise as a source of electrical power, is still insignificant in compared with older and safer energy sources.

• Founded/ 1930/ with just/ 13 teams/ tournament/ now/ attract/ more/ 140 countries.

• Many/ organizations/ have/ set up/ funds/ been raised.

•  It/ considered/ most/ popular/ sporting event/ the world

• The town was a four-days journey from our hotel, so we took the train instead of the bus

•  I/ invite/ you / the party/ 6pm/ my house.

• They used to eating potatoes when they were in the village but now they don’t.

• Many/ endangered/ species/ danger/ extinction.

• wrote/last week/they/of school/a test