problem 1: Describe the probability of occurrence and effects of the thunderstorms and hail.
problem 2: Illustrate the effects and areas influenced by flood.
problem 3: Describe the causes and areas influenced by landslides.
problem 4: Give an account of the causes and effects of desertification.
problem 5: describe the main nuclear hazards of the world.
problem 6: Describe the ecological disturbances due to soil development and pollination.
problem 7: prepare notes (any two):
a) Ozone depletion.
b) Effects of droughts.
c) Types of man-induced hazards.