Mining activities in Nagaland can potentially lead to issues like:

The correct answer is: d) All of the above

Mining activities can lead to deforestation, soil erosion, and water pollution.

• Deforestation occurs when trees are cut down to make way for mines. This can lead to the loss of habitat for animals and plants, and can also contribute to climate change.
• Soil erosion occurs when the topsoil is removed by wind or water. This can make it difficult to grow crops, and can also lead to the contamination of water supplies.
• Water pollution occurs when mining activities contaminate water with chemicals or sediment. This can make the water unsafe to drink or use for irrigation, and can also harm fish and other aquatic life.

Mining activities can also have a number of other negative impacts on the environment, including air pollution, noise pollution, and the disruption of ecosystems. It is important to carefully consider the environmental impacts of mining activities before they are undertaken.