Critical Reasoning (CR) | Re: When mercury-vapor streetlights are used in areas inhabited by insect

When mercury-vapor streetlights are used in areas inhabited by insect-eating bats, the bats feed almost exclusively around thelights,

This statement talks about areas inhabited by insect-eating bats. When mercury-vapor streetlights are used in such areas, the bats feed almost exclusively around thelights.

because the lights attract flyinginsects.

This part gives an explanation for why bats feed almost exclusively around the light. Because the lights attract flying
...

---