Question

An artificial method of rain is

• A. Cloud seeding
• B. Evaporation
• C. Rain water harvesting
• D. None of the above

Answer 1

Answer: (A)

Cloud seeding

Cloud seeding is a type of weather modification. This is done in order to increase the amount of rain in a particular region. This method focusses on to change the amount of precipitation that falls from clouds. The process includes :

a) A minute amount of silver iodide is sprayed across a propane flame.

b) The silver iodide particles rise into the clouds.

c) The silver iodide causes cloud moisture to freeze and create ice crystals.

d) The ice crystal grows big enough to fall as rain.

Thus, the correct answer is option A.