The answer is corrosive health hazard.
Answer:
C.)
Explanation:
C.) A coal mine is the only business employing workers in 20 miles in any direction.
We are going to use the ideal gas law. First, convert 475 kPa to Pa because the ideal gas law uses SI units. This will be 475,000 Pa.
Rearranging the ideal gas law, we get P1V1/T1 = P2V2/T2. Now plug everything in and solve for P2: (475,000)(4)/(290) = (P2)(6.5)/(277)