If the Oxygen supply in the atmosphere was not replenished by plants, it would soon be exhausted.

Câu hỏi liên quan

• Marta being chosen as the most outstanding student of her campus made her parents very happy.

• Salt was once too scarce and precious that it was used as money.

• The signing of the peaceful treaty was an event of major importance.

ZUNIA12

• Bread and butter ………. what she asks for

• Tea did not become popular in Europe until the mid 17th century when it has been first imported to England and Holland.

• That it is believed that most of the earthquakes in the word occur near the youngest mountain ranges – the Himalayas, the Andes, and the Sierra Nevada.

• The Earth was flat, was believed by most people in the fifteenth century

• Choose the best option:

  The____ is the air, water and land in or on which people, animals and plants live.

• Never before has so many people in the United States been interested in soccer.

• The evolution of fishes is a history of constant adaptation to new possibilities, and a refined of these adaptations.

• Mercury is not often visible because it is so near the sun to be seen.

• Before the formation of labor unions, individual workers had almost not voice in determining their wages, hours, or working conditions.

• Our civilization is so commonplace to us that rarely we stop to think about its complexity

• Many scientists contributed to the development of television, whether no one can be said to have invented it.

• John announced that he could not longer tolerate the conditions of the contract under which he was working.

• Until Hollywood invented him, Leonardo DiCaprio was practically unknown.

• I’m so tired; I’m finding it difficult in keeping my mind on my work.

• In the United State, the Cabinet consist of a group of advisers, each of whom is chosen by the President to head an executive department of the government.

• Rita is studying........... English and ...........math this semester. 

• Are there enough champagne to go round ? Will everybody get a glass?