Salt deposits can be potentially found in which part of Punjab?

The correct answer is: a) The southwest region bordering Rajasthan.

Salt deposits are formed when water evaporates, leaving behind the salt that was dissolved in it. This can happen in a number of ways, including:

• Evaporation of seawater in coastal areas
• Evaporation of lakes and rivers
• Evaporation of groundwater
• Evaporation of brine (salty water)

The southwest region of Punjab is a good place to find salt deposits because it is a dry region with a lot of evaporation. The region also has a number of salt lakes, which are a good source of salt.

The other options are not as good places to find salt deposits because they are not as dry or do not have as many salt lakes.

• Along major rivers: Rivers are a source of fresh water, not salt water. Therefore, they are not a good place to find salt deposits.
• In foothill zones: Foothill zones are areas where mountains meet the plains. They are typically wet and humid, which is not ideal for the formation of salt deposits.
• Areas with volcanic history: Volcanic activity can cause the formation of salt deposits, but this is not a common occurrence. Therefore, areas with volcanic history are not as good places to find salt deposits as the southwest region of Punjab.