What happens when someone drinks chromyl chloride

Explanation:

The high chlorine rates destroy intestinal flora, which can inhibit the ability of your digestive system to effectively absorb and process nutrients. As a result, your body might not absorb and benefit from the minerals, vitamins and fats that you take in, thus making the body more vulnerable to infections.

well, that's easy; the answer's c, "it reduces contamination of the water and substrate of the estuary."