This is an important assumption, because fine particles from power plant emissions are chemically different from directly emitted fine particles from both mobile sources and other industrial facilities, but no clear scientific grounds exist for supporting differential effects estimates by particle type.
Not all emissions from industrial plants are the same.
This assumption is not important at all.
You need more of an imagination.
Only a few thousand are in the taxpayer records.
The people climbing the mountain are sitting down on a bench.
The girl is jumping rope.
The animals are outside.
A man rides a motorcycle with the number 42 on it.