Question

A cloud seeding is a form of
A) Weather modification
B) Removal of mineral from seawater
C) Rainwater harvesting
D) None of the above

Answer 1

Hint: Cloud seeding is nothing but inducing the rain artificially and this process is also called man-made precipitation, where some chemicals are sprayed into the clouds with the help of some rockets or jet planes, in the areas, where there are fewer rains or scarcity of rain.

Complete answer:
Cloud seeding is the process of introduction of certain substances into the cloud so that substances which are introduced can act as ice nuclei or condensation nuclei to induce the precipitation, and this cloud seeding was first introduced in the year 1946 by an American chemist.
Many substances were introduced into them through aircraft, rockets, etc
So this is nothing but the Weather modification that would be done by using some chemical compounds such as silver iodide, and Potassium iodide and they also use dry ice, which is commonly called Solid $Co_2$.
Some liquids are also used for these purposes which are liquid propane, and these substances cause ice crystals in the clouds, and recent researches state that salt is also used for cloud seeding.
When these substances are passed into the air that causes the cloud to condense and this alters the physical process of the cloud, and that further causes the precipitation.
When cloud seeding increases the snowfall that we’re taking place when the temperature within the clouds are present in between the -4 to 19 degree F.

So, the correct option is A.

Note: For this cloud seeding instead of advantages of producing artificial rain it also shows some impact on the environment and also health hazard for the humans where the silver iodide compounds that are used here cause the incapacitation or residual injury if there was any chronic exposure.