Nylon, a synthetic done from a combination of water, air and a by product a coal, was first introduced in 1938

Câu hỏi liên quan

• Many people who live near nuclear plants are concerned. _________ go wrong, the impact on the surrounding area can be disastrous. 

• Esperanto is an unique language because it was created by a man called Ludwig Zamenhoff.

• Kiwi birds search the ground with the bills for insects, worms, and snails to eat.

ZUNIA12

• Choose the correct answer to complete the sentence. "Global warming has severe impact_____ water supplies."

• I lost your phone number. Otherwise, I ____ you much earlier. 

• Mosquitoes will accepts the malaria parasite at only one stage of the parasite’s complex life cycle.

• David attended .......... Princeton University. 

• Cotton fiber, like other vegetable fibers, are composed mostly of cellulose

• With an annual income of fifty thousand dollars a year, he can afford to give a luxurious life.

• Learners can feel very ...... if an exercise is too difficult.

• If I had known that you couldn’t eat eel, I ____ bought it. 

• One responsibility of human beings is not to interfere with the actions of another people except in the face of injustice

• There is the very real possibility that these animals could panic, frighten and would break away, should there be a sudden loud noise

• Jeff wouldn’t have bumped into the waitress if he ____ in such a hurry. 

• Stars in our universe vary in temperature, colour, bright, size, and mass

• Scientists believe that by altering the genetic composition of plants, it is possible to develop specimens that are resisting to diseases and have increased food value.

• Those of  you who signed up for Dr. Daniel’s anthropology class should get their books as soon as possible.

• The orangutan’s hands and feet arc designed for holding and grasping branches, dud its powerful immensely arms enable it to climb and swing in trees without difficulty.

• Because of its vast tracts of virtually uninhabited northern forest, Canada has one of the lowest population density in the world

• Some of the stiffest competitions the jackals face on the plains of Africa comes from vultures