Answer:
Mitochondria
Explanation:
I guessed there is no picture
C. humus
the answer is humus cause it really has nothing to do with soil.
Answer:
it cannot be easily degraded in our environment.Like humans, animals and plants are exposed to PBTs in the environment through air, water and food. ... Persistent bioaccumulative toxic substances (PBTs) are chemicals that do not degrade easily in the environment.