When scientists discovered how soap works, it became possible to do synthetic deterg out of Petroleum

Câu hỏi liên quan

• Bacteria lived the soil play vital role in recycling the Carbon and Nitrogen needed by plants.

• Choose the word(s) CLOSEST in meaning to the following word(s). "breathtaking"

• Under the crustthe Earth are bubbling hot liquids that sometime rise to the surface

ZUNIA12

• One responsibility (o beings is not to interfere with the actions of another people except the face of injustice.

• The bath overflowed and the water drop through into  living room.

• Being a child of noble birth, his name was famous among children in that school.

• .................. is to give strangers your address.

• Genetic engineering is helping researchers the mysteries of previously incurable diseases so that they can get to its root causes and find cures

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

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

• Can you imagine ............. alone in a very strange country?

• Choose the correct answer. " _____ more help, I could call my friend"

• The international Red Cross, which has helped so many nations, won the Nobel Peace Prize three times for their efforts to human suffering 

• If you had taken your dad’s advice, you ........ such a silly mistake.

• It has been found that leng of light or dark periods influence certain activities of flowering plants 

• She is doing extremely well in her  ......   graduate course.

• The word "inconsequential"  is closest in meaning to ______.

• The Gray Wolf, a species reintroduced into their native habitat in Yellowstone National Park, has begun to breed natural there

• Mark the letter A, B, C or D on your answer sheet to indicate the word or phrase that is OPPOSITE in meaning to the underlined part in each of the following questions: 

  She was brought up in a well-off family. She can’t understand the problems we are facing. 

• They couldn’t help ..............  when they heard the little boy singing a love song.