अम्लीय वर्षा मुख्य रूप से तब होती है जब वायुमंडल में निम्नलिखित में से कौन सा प्रदूषक उत्सर्जित होता है?

In the context of chemical pollution, what specific fatal reproductive issue is caused in raptor bird populations due to the bioaccumulation of pesticides like DDT within the food chain?

In the districts of Murshidabad and Nadia in West Bengal, which of the following naturally occurring (geogenic) pollutants is found in high levels in groundwater due to sedimentary deposits?