I believe the answer is D. Thunderstorm
Unstable air indicates that <span>the lowest layers of an </span>air<span> mass is low in temperature. Thunderstorms is more likely to happen if there is unstable air mass because it provide a situation where there is more energy for the Thunderstorms to feed off of.</span>
I think it’s b... not sure tho sorry
Answer:
Humus
Explanation:
Its Humus I believe. I remember learning something like this.
Because no sunlight can penetrate it
