6. which of the following is the effect of very strong winds of public storm signal no 4 to transportation system?
a. it is safe to travel both in air and in sea
b. travel by sea is allowed but not in air
c. travel by air is allowed but not in sea
d. travel by air and sea are not allowed

7. which of the following is greatly affected when there is a storm surge?
a. people living in the coastal area
b. watercraft and water operations
c. trees and other vegetation
d. infrastructures

8. which of the following is an effect of typhoon to infrastructures?
a. typhoon can destroy fishing boats,cruises ships and other vessels.
b. typhoon can causes harm to trees and other vegetation.
c. typhoon can make roads not passable
d. typhoon ca causes starvation and low food suply.

9. How do typhoons affect buildings?
a. it blows the roof off homes
b. it makes road not passable
c. ot deposits large quantities of salt onto plant life
d. it snaps branches and uproots trees and plants.

10. what is the effect of destructuctive forces of typhoon to humans and animals lives?
a. roads are not passable
b. rescue and relief operations are on going
c. individual is struck by debris or is caugth in a building collapse
d. Large quantities of salt are deposited onto plant life. ​