Which district in Andhra Pradesh is known for its bauxite deposits?

The correct answer is: b) Visakhapatnam

Visakhapatnam district is known for its bauxite deposits. Bauxite is a mineral ore that is the main source of aluminum. It is a reddish-brown ore that is found in igneous and metamorphic rocks. Bauxite is mined in open-pit mines or quarries. The ore is then crushed and ground into a fine powder. The powder is then mixed with water and chemicals to extract the aluminum. The aluminum is then separated from the other minerals and is used to make a variety of products, including aluminum foil, cans, and aircraft.

The other options are incorrect because:

• Srikakulam district is known for its rice production.
• Anantapur district is known for its cotton production.
• Krishna district is known for its rice and cotton production.