Most saltwater-use is to
irrigate crops
provide the public with drinking water
manufacture products like tires and cars
generate electricity

Most saltwater-use is to generate electricity. Since salt water naturally has electrolytes that can sustain in generating an electricity. This is also the reason why it is not advisable for people to swim in the ocean when it’s raining or there is a thunderstorm or visible lightning.

the answers for the whole quick check is

1. b

2. b

3. a

4. c

5. b

6. a

7. d