GLOBAL PROBLEMS OF MANKIND

What does not belong among the global problems?
1. floods
2. droughts
3. lack of factories
Floods the most often threaten
1. in winter and in spring.
2. in spring and in summer.
3. during spring melting.
What is a hurrican?
1. huge fast rotating whirl, which is formed above the ocean
2. small slowly rotating whirl, which is formed above the ocean
3. huge slowly rotating whirl, which is formed above the ocean
What is a tornado?
1. small fast rotating whirl, large devasteting effects
2. huge fast rotating whirl, large devasteting effects
3. small slowly rotating whirl, large devasteting effects
A man ........... the volcanic activity.
1. can influence
2. cannot influence
3. cannot prevent, only predict