b2e7vertinshond b2e7vertinshond

31-01-2016
Biology

contestada

In addition to being necessary for respiration, _______ also provides UV radiation protection.
a. carbon dioxide
b. oxygen
c. hydrogen
d. water

Respuesta :

WorldlyGlass49 WorldlyGlass49

10-02-2016

The correct answer is B. Oxygen.

Oxygen, as a part of the atmosphere, also participates in UV protection, besides being necessary for breathing.

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