To stop any ofter wars form happening in Europe.
The correct answer is C. Ozone
Explanation:
Ozone is a type of gas formed by oxygen that can be found mainly in the stratosphere that is the layer found from around 8km to 60 km above the Earth's surface. Additionally, the ozone is the gas that absorbs ultraviolet radiation produced by the sun, also called UV radiation, this function of ozone is quite important because an excess in UV radiation causes burns in the living organism and leads to dagame in tissues. However, an excess of ozone can also lead to the greenhouse effect. According to this, it is ozone the component or gas that absorbs damaging ultraviolet radiation from the sun.
The best answer is: [D]: "the water cycle" .
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