Extreme sports

2. It is a sport born at the end of the 20th century by the inventiveness of mountaineers who wanted to fly down using a parachute from the peaks they had ascended.
5. cause some fear
6. a device designed to arrest falls through the resistance generated by itself when passing through the air
9. it is a magnitude that has the ability to influence the shape and movement of material elements.
10. adventure sports or controlled risk sports (two words)
11. That poses a risk because it can cause harm
12. to do something again and again in order to become better at it
13. set of physical phenomena in the world and living beings in general.
14. is a physical force that the Earth exerts on all bodies towards its center

1. allows a person to stay afloat and to avoid drowning if he falls into the water (two words)
3. Vertical distance between a given object or point and another point taken as a reference
4. Precipice or place of great depth where the bottom cannot be seen.
5. Secreted hormone that increases blood pressure in stressful situations
7. It is a natural stream of continuous water that flows into another similar, a lake or the sea
8. it can refer to the absence of risk or to trust in something or someone