Hey there
"Singapore stands out as a country that has vigorously and successfully prosecuted <span>employers and recruiters who physically abused domestic workers."
This sentence means that some e</span><span>mployers and recruiters abused workers that were brought in from different countries. </span>
The Appalachian Mountains are older than the Rocky Mountains and therefore have had more time to weather and get worn down. The Rocky Mountains are still considered to be relatively young and haven't weathered as much.
Your answer would be B because the "Beauty of Nature" is not really "A Delicious Treat".
This statement is true because the fog absorbs the dirty coal particles and it turns into a dirty brownish "smoke-fog" hence the name smog.