I'm not sure it could be a. or c.
Answer: Today, the most urbanized regions include Northern America (with 82% of its population living in urban areas).
Explanation: I hope this helps!
Answer:
chlorine
Explanation:
Chlorinated water safe to drink as it removes away all the types of harmful microorganism rendering it a germ free. Its used as disinfectant also.
Desertification <span>is the spreading of desert conditions </span>C:
B.false.
It's more likely our solar system exist in the "suburbs" of the milky way.