Answer:
waste contamination
Explanation:
dont cheat or i will hunt you down with my pack of wolves
Answer:
D
Explanation:
Rock cools and cracks because the topsoil can't be formed until the rocks crack, and if the topsoil isn't formed then nor lichens nor mosses can grow.
A toxin or other foreign substance which induces an immune response in the body, especially the production of antibodies.
Answer: Whether the culprit were too much sunlight or not enough, if photosynthesis stopped, plants would stop converting carbon dioxide -- an air pollutant -- to organic material.
Explanation: