Question

fill in the blanks.
1. the longest river in Europe, the____________, flows into the_________ sea.
2. the Alps, pyrenees, Carpathians, Balkan mountains and the Caucasus are part of the __________ mountain system.
2. Embankments called _________ enclose reclaim lands called________ in the Netherlands.​

Answer 1

Answer:

1)the Volga,Caspian Sea.

2)the Bulgaria.

3)dikes,The windmills of Holland(Netherlands)pump water from behind the dikes and back out to sea to keep the land dry.

Explanation:

1)The Volga is the longest river in Europe, stretching 2,294 miles across Russia. It flows from the remote Valdai Hills to the Caspian Sea, and half of Russia's river cargo is transported along the river.

3)A polder (Dutch pronunciation: [ˈpɔldər] ( listen)) is a low-lying tract of land that forms an artificial hydrological entity, enclosed by embankments known as dikes. The three types of polder are: Land reclaimed from a body of water, such as a lake or the sea bed.