Meghalaya receives some of the highest rainfall in the world, making it a region with abundant:

Water resources
Oil reserves
Desert sand
Volcanic activity

The correct answer is: a) Water resources.

Meghalaya is a state in northeastern India. It is one of the wettest places on Earth, with an average annual rainfall of over 11,871 mm (467 in). This makes it a region with abundant water resources. The state’s rivers are a major source of hydroelectric power, and its forests are home to a variety of wildlife.

Option b) is incorrect because Meghalaya does not have significant oil reserves.

Option c) is incorrect because Meghalaya is not a desert.

Option d) is incorrect because Meghalaya does not have significant volcanic activity.