A viral outbreak in a city needs to be traced to its source. How can wastewater be used to trace the viral outbreak? O it can be collected at different locations in the city and tested for the virus.
O It can be treated at all locations to prevent viral spread in drinking water.
O It can go through ozonation and chlorination to prevent virus spread.
Viral outbreaks are spread through wastewater treatment facilities

The answer is A.

Explanation:

primary succession occurs in essentially lifeless areas regions in which the soil is incapable of sustaining life as a result of such factors as lava flows, newly formed sand dunes, or rocks left from a retreating glacier. secondary succession occurs

igneous rocks are formed by solidification of cooled magma (molten rock), with or without crystallization, either below the surface as intrusive (plutonic) rocks or on the surface as extrusive (volcanic) rocks.  

the composition depends on the source magma. there are almost a thousand types of composition found till now.  

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