Petrography concerns primarily with the detailed description and classification of rocks, whereas petrology deals primarily with rock formation.

Câu hỏi liên quan

• The local economy which once used to be in crisis now depends to a great extent on menial jobs provided by the recent development of ecotourism.

• Because silk is the strongest of all natural fibers, ranking in strong with the synthetic fiber nylon, its delicate look and fell are deceptive.

• Early balloonists remained aloft in the air for relatively short periods.

ZUNIA12

• Mark the letter A, B, C, or D on your answer sheet to indicate the underlined part that needs correction in each of the following questions:

  The bank manager wanted to know if I am taking much money to France.

• Choose the best answer: 
  The 2010 Haiti earthquake was the most........... natural disaster in the history of this country.

  Giải thích:Dựa vào nghĩa của câu chọn
  Tạm dịch:

• My mother doesn’t care how much does the washing machine cost because she is going to buy it anyway.

• Home is place where I feel heaven and my parents are the reason __________ (11) it.

• Identify the underlined word/phrase (A or B, C, D) that needs correcting to become an exact one:

  Everybody (A) I know (B) like eating (C) chocolate and (D) ice-cream.

• After working hard for so long, we decided to enjoy ourself to a nice long holiday

• Mark the letter A, B, C, or D to indicate the underlined part that needs correcting in each of the following questions.

  Scientists believe there have more than 350,000 species of plants, but no one knows for sure.

• Rainwater carries unused chemicals from fields into streams or lakes, where various compounds promote the rate growing of weeds.

• Each chemical element is characterized to the number of protons that an atom of that element contains, called its atomic number.

• Choose the best answer:

  Reducing the size of classes may improve _______ standards.

• Choose the best answer to complete each of the following sentences: 

  Tet is a ________ which occurs in late January or early February.

• Choose one word or phrase marked A, B, C, or D that best complete the preceding sentence:

   He was an_________ writer because he persuaded many people to see the truth of his ideas.

• Choose one word or phrase marked A, B, C, or D that best complete the preceding sentence:

   I will not lend you a little money__________ you promise to pay me back next week.

• In England as early as the twelfth century, young boys enjoyed to play football.

• It should not be assume that the lower the price, the happier the buyer.

• Choose the best option A, B, C or D to make meaningful sentence: "_______ Mr. Nam worked hard,  he didn’t get any admire."

• Choose one word or phrase marked A, B, C, or D that best complete the preceding sentence:

  He soon received promotion, for his superior realized that he was a man of considerable________.