Question

1. What's the solution ?
Dark patches appear on the skin after
exposure to the sun.​

Answer 1

Explanation:

1. A solution is a mixture of two or more substances whether solid liquid or gas. There are two types of solutions(heterogeneous and homogeneous)
2. Dark patches appear on the skin after exposure to the sun because of the sun-tan.It is caused by the action of ultraviolet(UV) rays and infrared(IR)rays on the skin epidermis.

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Answer 2

Answer:

Also called sunspots, solar lentigines, or liver spots, people can develop dark spots on their skin after being exposed to the sun or tanning beds.Mar 29, 2019

Explanation:

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