Tomatoes, onions, and chilies are important vegetable crops grown in:

Hill stations
Coastal regions
River valleys
All of the above

The correct answer is: d) All of the above.

Tomatoes, onions, and chilies are important vegetable crops grown in all of the above regions.

Tomatoes are a warm-season crop that is grown in many parts of the world. They are a good source of vitamins A and C, and they are also a good source of fiber. Tomatoes are used in a variety of dishes, including salads, sandwiches, and sauces.

Onions are a cool-season crop that is grown in many parts of the world. They are a good source of vitamins C and B6, and they are also a good source of fiber. Onions are used in a variety of dishes, including salads, sandwiches, and soups.

Chilies are a warm-season crop that is grown in many parts of the world. They are a good source of vitamins A and C, and they are also a good source of fiber. Chilies are used in a variety of dishes, including salsa, chili, and tacos.

Hill stations are areas of high elevation that are typically cooler than the surrounding lowlands. They are popular tourist destinations, and they are also home to a variety of agricultural crops, including tomatoes, onions, and chilies.

Coastal regions are areas that are located near the ocean. They are typically warmer than the inland areas, and they are also home to a variety of agricultural crops, including tomatoes, onions, and chilies.

River valleys are areas that are located along rivers. They are typically fertile areas, and they are home to a variety of agricultural crops, including tomatoes, onions, and chilies.