water

But, what’s causing them to wither and die—is it the water quality?

Is it more bacteria in the water making the shrimp sick?

To find out, you need to replicate; do something over and over again, varying the temperature, water pH, bacterial infection, and more, to find out which of the many options is causing the shrimp decline.

Authorities in Delhi - which has an estimated population of more than 33 million - have already enacted measures aimed at tackling the pollution, including spraying roads with water containing dust suppressants.

Although the authorities have been blocking food and water, they have temporarily allowed local residents to send some supplies down by rope.