Answer:
Dehydration can lead to severe complications, such as seizures, swelling of the brain, kidney failure, shock, coma and even death. Signs and symptoms of dehydration include: Headache. Dizziness or lightheadedness.
Explanation:
Myopia (i think) sorry if this is wrong
One way would be to listen to scientists. Another could be to cut down on activities that harm the environment, like overfishing. Thirdly, we could instate a better recycling system.