A type of pollution in which the source of the pollution is not easily identifiable is called source pollution

Explanation:

The U.S. Environmental Protection Agency (EPA) defines point source pollution as “any single identifiable source of pollution from which pollutants are discharged, such as a pipe, ditch, ship or factory smokestack” (Hill, 1997). Factories and sewage treatment plants are two common types of point sources.

electromagnetic waves travel through space with vacuums. give me brainliest if right.

vapour or gas assuming atmospheriv pressure