The ozone layer absorbs a large portion of incoming UV radiation.
Explanation:
This means it keeps ground-level ozone from forming. A higher percentage of UV radiation entering the troposphere would allow a greater amount of ozone to form in the troposphere.
The twin hills found in the north and central part of the quadrangle bellow show the stars and in order to cross the golden gate mountain which is a national highland park.
The highest path to reach the gate will be through the flattest topographic that is seen in the curve along with the option d as a sloping tableland.