To reduce risk, D is your answer.
<span>The air that is found in soil is extremely different from the air that is found in the atmosphere. Why, you ask? Well, it's because the air that are in soils are not exactly exposed to moving air currents, thus the air that is found in soils are more moist and humid.
Good luck with your studies, I hope this helps~!</span>
Ik that this isn't a answer but what subject is this, it will help
Answer:
Good ozone is found in the stratosphere, far above the Earth's surface. At that height, it absorbs and scatters ultraviolet (UV) radiation from the Sun, particularly the most dangerous UV-B and UV-C forms. Ozone is the planet's natural sunscreen.
Explanation:
ABC charges 1.30 for 1 can but xyz charges 15.50 for 12 cans take 15.50 divided by 12 and the answer is 1.29 so xyz is the better buy