The best answer would be A. C<span>lear, distinct horizons with organic matter and mineral nutrients is a characteristic in a land that is to be used for farming. A healthy soil is an essential when planting crops thus it should have ample amount of organic matter and nutrients.</span>
Answer:
The ozone layer is a region of high ozone concentration in the stratosphere, 15 to 35 kilometres above Earth's surface. The ozone layer acts as an invisible shield and protects us from harmful ultraviolet (UV) radiation from the sun.