Answer:
Hiking is a powerful cardio workout that can: Lower your risk of heart disease. Improve your blood pressure and blood sugar levels. Boost bone density, since walking is a weight-bearing exercise.
It shows ways where humans can be benefited through the creation of wildlife overpasses.
Fast growing Salmon to me would be a freak of nature. Most likley some idiot put some steriods in the ocean, but also must mean something is happening with where they live and they are trying to adapt to what has happened.
