Question

Rainfall patterns depend on :

• A. the underground water table
• B. the number of water bodies in an area
• C. the density pattern of human population in an area
• D. the prevailing season in an area

Answer 1

The correct option is A

the underground water table

a) The underground water table

Explanation

More the number of water bodies in an area more is evaporation of water in that area. As a result, more clouds are formed and there is an increase in rainfall in that area.

Rainfall has been classified into three main types based on the origin –

• Convectional rainfall
• Orographic or relief rainfall
• Cyclonic or frontal rainfall

The types of rainfall based on intensity can be classified as:

1. Light rain – Rate of rain varies between 0 to 2.5 millimeters
2. Moderate rain – Rate of rain varies between 2.6 millimeters to 7.6 millimeters
3. Heavy rain – Rate of rain is beyond 7.6 millimeters