UNIT 8. What if ... ? 8A Planet Earth, page 76

Exercise 1
1 forest fire 
2 earthquake

3 tsunami

4 avalanche

5 hurricane

6 tornado 

7 landslide
Exercise 2
1 famine
2 flood

3 volcanic eruption
4 drought

5 disease
Exercise 3
1 flood, tsunami, drought
2 hurricane, tornado
3 landslide, avalanche, earthquake, volcanic eruption
Exercise 4
2 protection

3 reaction

4 organization

5 election

6 sadness

7 information
Challenge!

explore -> exploration

happy ->  happiness

imagine -> imagination

lonely -> loneliness

suggest -> suggestion

weak -> weakness