The river Kaveri is one of the most important rivers in India. It originates from the Brahmagiri hills in the Western Ghats of Karnataka and flows through the Deccan Plateau before emptying into the Bay of Bengal.

States through which the river Kaveri passes through:

The correct answer to the question is option 'A', which means the river Kaveri passes through Karnataka and Tamil Nadu. Let's discuss in detail about the two states through which the river Kaveri passes through.

Karnataka:

The river Kaveri originates from the Talakaveri in the Brahmagiri hills of Karnataka. It flows through the Kodagu, Hassan, Mandya, Mysore, and Chamarajanagar districts of Karnataka. The river provides irrigation to a large area of agricultural land in Karnataka. The Kaveri basin in Karnataka is also home to many important wildlife sanctuaries and national parks.

Tamil Nadu:

The river Kaveri enters Tamil Nadu at Hogenakkal Falls in Dharmapuri district. It then flows through the districts of Salem, Erode, Tiruppur, Karur, Trichy, Thanjavur, and Nagapattinam before emptying into the Bay of Bengal. The river Kaveri is the lifeline of Tamil Nadu as it provides water for irrigation and drinking purposes. The delta region of the river in Tamil Nadu is known for its fertile agricultural lands and is often referred to as the 'rice bowl' of Tamil Nadu.

Conclusion:

In conclusion, the river Kaveri passes through two states, Karnataka and Tamil Nadu. It is an important river for both states as it provides water for irrigation and drinking purposes. The river is also an important source of livelihood for the people living in the Kaveri basin.