The correct answer is A) Fish.
Karnataka is a state in southwestern India. It has a long coastline of about 320 kilometers. The coastal region of Karnataka is rich in marine resources, including fish, prawns, crabs, and lobsters. The state is also home to a number of important fishing ports, such as Mangalore, Karwar, and Bhatkal.
Fishing is a major economic activity in Karnataka. The state’s fisheries sector employs over 1.5 million people and contributes about 2% to the state’s GDP. The main types of fish caught in Karnataka are sardines, mackerel, tuna, and pomfret.
The coastal region of Karnataka is also home to a number of important coral reefs. Coral reefs are important ecosystems that provide habitat for a variety of marine life. They also protect the coastline from erosion and provide a source of food and income for local communities.
Petroleum is a non-renewable resource that is found in the Earth’s crust. It is a fossil fuel that is formed from the remains of ancient plants and animals. Petroleum is used to produce a variety of products, including gasoline, diesel fuel, and jet fuel.
Manganese nodules are spherical deposits of manganese and other minerals that form on the ocean floor. They are a type of polymetallic nodule, which means that they contain more than one type of metal. Manganese nodules are a valuable resource, but they are also difficult to mine.
In conclusion, the correct answer to the question “The coastal region of Karnataka is rich in this marine resource: A) Fish B) Petroleum C) Coral Reefs D) Manganese Nodules” is A) Fish.