с английским
Ex. 1. Answer the questions.

1. What is a tornado?

2. How fast do tornadoes move?

3. Who developed the scale to show how strong tornadoes are?

4. What are hailstones?

5. What is hail made of?

A tornado, or tornado, thrombus, meso-hurricane, is an atmospheric whirlwind that occurs in a cumulonimbus cloud and spreads downward, often to the very surface of the earth, in the form of a cloud sleeve or trunk tens or hundreds of meters in diameter.