This group of falls is the largest ______.

The Niagara Falls is located on the border between the United States and Canada. It is a group of falls in the state of New York  and the Canadian Province of Orlando. This group is the second largest in the world in terms of volume of water flowing over its edge. It is the largest in North America. It is a popular tourist destination.

The Niagara Falls was formed approximately 10,000 years ago when glaciers melted at the end of the last ice age. Water from the Great Lakes carved a path of the Atlantic Ocean, formed the Niagara River. The Niagara Falls is not very high, but it is very wide. The amount of water flowing over the falls varies throughout the year. During season of high flow, usually springtime, more than 6 million cubic feet (165,000 m3) of water passes over the falls per minute. The annual average flow rate is almost 4 million cubic feet (110,000 m3) per minute.

Where is the Niagara Falls?  

Da Nang has a population of nearly 800,000 people. The Han River flows through the city. The city part on the east bank is the newest and more spacious. The city part on the west bank is more crowded. There are five bridges across the river. The Han River Bridge is the newest one now. The cost of living in Da Nang is the lowest in Central Viet Nam. Da Nang has many beaches. Among them, Non Nuoc Beach is one of the beautiful beaches in the world. But walking in the street on a summer afternoon is not a good idea in Da Nang. There are not many trees so there are not many shadows. It is often very hot at noon.

What is the population of Da Nang?

What is Non Nuoc Beach like?

The word “varies” has the CLOSET meaning to ____.  

Read the passage carefully and answer the question.

The ancient town of Hoi An lies on the Thu Bon River, more than 30 kilometers to the south of Da Nang. Hoi An is famous for its old temples, pagodas, tiled-roofed houses and narrow streets. Tourists can visit the relics of Sa Huynh and Cham Civilization. They can also enjoy the beautiful scenery of the Thu Bon River, Cua Dai Beach, etc. In recent years, Hoi An has become a very popular tourist destination in Viet Nam. Importantly, the committee of the World Heritages of UNESCO officially certified Hoi An as a World Heritage site in 1999.

Hoi An lies____ the River Thu Bon.

Which bridge is the newest? 

How many bridges across the Han River?