Question: Planet Earth and planet Mars both had breathable atmospheres and were inhabited by humans. People of Earth destroyed the ozone layer, people of mars were more careful and protected it. Which planet had more people using aerosol sprays?
Answer: Earth

Question: David is a biochemist with a pharmaceutical company. He is testing three strains of bacteria, case A, case B, and case C. In case A the bacteria does not respond to antibiotics. In case B the bacteria resists antibiotics. Finally, in case C, the bacteria does not develop any immunity to antibiotics and eventually perishes. In which case the organism would more likely have genetic disorder, case B or case C?
Answer: case C

Question: Big town and Fair town both used petroleum products. Big town used them to make plastics and related materials, but didn't use it for gas, because they were environmentally conscious and used only electric vehicles for transportation. Fair town used petroleum for fuel mostly. Which town used less fuel for trains?
Answer:
Big