Which of the following types of pollution is most responsible for large numbers of deaths worldwide because of unsafe drinking water? (a) nutrient pollution (b) thermal pollution (c) pathogen pollution (d) sediment pollution

A

Explanation:

Nutrient population is mainly as a result of unsustainable farming methods that are rampant in the world. The excessive  use of fertilizers in farms results in nutrient runoffs to water bodies. The nutrients especially phosphorus and nitrogen when consumes with water can be harmful to humans and animals.  The nutrients also cause eutrophication of water. The anoxic waters harbor dangerous disease-causing bacteria, unlike oxygenated water.  

an active site is a region that is present on an enzyme where the reactants or the substrate molecules we can say bind and experience a chemical reaction. the substrate is basically a reactant whose concentration is changing and that is converting into a product after binding at the active site of an enzyme

b. climate change will cause an increase in biodiversity of all ecosystems.

hope this