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Answer:
1.true
2.true (if they have the electronics they needed to use)
3.false! (it can damage your eyes!
When you stare directly at the sun—or other types of bright light such as a welding torch—ultraviolet light floods your retina, literally burning the exposed tissue. ... It destroys the rods and cones of the retina and can create a small blind spot in the central vision, known as a scotoma)
4.true
5.true
hope it helps! <3