Which sport requires participants to wear safety equipment during competition?

Hockey

Explanation:

The answer is hockey because in order to play hockey you have to have a lot of safety equipment because people play hockey by being very close to one another. Also, getting hurt during playing hockey without proper equipment can cause many damages to your body.

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the arctic is a region of the planet, north of the arctic circle, and includes the arctic ocean, greenland, baffin island, other smaller northern islands, and the far northern parts of europe, russia (siberia), alaska and canada.

if the person is shown to have +90n, then ans is -10n.

if the person is shown to have -90n, then ans is +10n.