Thea answer to this question is: <span>Prince Henry of Portugal’s School of Navigation
</span><span>Prince Henry of Portugal’s School of Navigation was the first navigational school that ever established. The chools was created in Sagres, Portugal in the year of 1418.
This school popularized new navigaitonal system such as wind prediction or astronomical observation that will help navigation in the middle of the sea
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It’s b surrounding by mountains
In an emergency in the pool. You've signaled and ready to start the rescue. The first thing which you should do immediately before you attempt entry is to check all the recuse equipment.
After signaled you should check all the equipment because Diverse pieces of equipment are used by lifeguards to make rescues easier. According to a research in the American Journal of Emergency Medicine, the use of flotation devices and other similar equipment speeds up rescue efforts for drowning victims, which is crucial when every second .
For pool you should have certain equipment like whistle, Binoculars and first- aid kit.
To learn more about water rescue technique here
brainly.com/question/27871049
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