Act up, we gon' mask up, boy, I dare you

Which of these is a drawback of using natural gas? a. it is fairly safe for use in homes. b. it burns more cleanly than crude oil products. c. scientists have developed new ways of extracting it. d. during its extraction, groundwater can be contaminated.

The largest employer of cartographers is the

Witch are features of the social democracy that is common in europe