What human disease can result from exposure to ultraviolet radiation from the sun?

Explanation:

The wavelength of the ultraviolet rays lies in between 10 nm to 400 nm. UV rays can cause the following problems on human :

(1) It can increase the risk of skin cancer.

(2) It can cause cataract.

(3) It can cause painful sunburn.

(4) It can cause wrinkling and age on the skin.

So, it is advisable to use sunscreen before leaving home and use goggles. This is the cure for ultraviolet radiation.

i think it is non rem sleep

acceleration = (change in speed) / (time for the change)

change in speed = (20-120)= -100 m/s.

1.5 min = 90 sec

acceleration = -100/90 = -1.11 m/s^2.

we don't care about the 150kg or the 2,500 meters. they don't make any difference.

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