Answer = c thats why animals inhale
Clams filter-feed and concentrate the dilute pollutants from the water, thus acting as early warning indicators of severe pollution.
Clams are prone to be polluted in the outlets along the seashore or near-shore coastal waters rather than the open ocean. They are efficient biological indicators of pollution by successfully filtering pollutants. It serves a water-based pollutant spotter as it absorbs the pollutants in its tissues.
Well, other than coal. They use the coal as fuel to drive boilers in producing steam that drives the turbines to create electricity. So it would be water.
I’m not too sure but I would say THE SAME CHEMICAL PROPERTIES.
