Answer:
B) build wind-powered pumps to use groundwater
<span>D) Vaccines allow for building immunity without harmful exposure because not all viruses are safe to be exposed to.</span>
Destruction of biodiversity. Water pollution depletes aquatic ecosystems and triggers unbridled proliferation of phytoplankton in lakes — eutrophication —. Contamination of the food chain.Human diseases: Pathogens(viruses,bacteria,fungi,protozoa etc)are biological pollutants of water. They cause typhoid,cholera,dysentery,jaundice,hepatitis.
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Preventing ph changes caused by the rising and falling pco2 of the plasma
Asexual reproduction produces genetically similar or same offspring whereas sexual reproduction [produces genetically varied offspring.