Which of the following best explains how water pollution impacts water conservation?

polluted water is unavailable for further use.

certain plants and microorganisms can remove pollution from water over time.

water pollution is caused primarily by thermoelectric plants.

water pollution affects large cities more than it affects smaller communities.

Polluted water is unavailable for further use.

Water pollution is the contamination of water bodies (including oceans, lakes, river and ponds), due to solid, liquid and gaseous forms of waste materials being added up in the water and deteriorates its quality. Water conservation refers to the strategies, policies and activities being planned and implemented by human society to prevent water from being polluted and conserve it for future use.  

Water pollution has drastically impacted over the water conservation. As, due to the fact that with the increase in population cover all over the world, the activities like industrialization, water based transportation and agriculture has increased. These activities has resulted in increase in water pollution and conservation policies are not strictly followed. Hence,the water being polluted once cannot be reused further.

blue stars have the highest surface temp

stellar distances are usually expressed in light-years

the measure of a star's brightness is called magnitude

hope this !

correct answer is a. and d.