Answer:
It would be the forest floor.
Explanation:
The forest floor is the lowest level, and therefore is covered by things above it.
Answer: temperature
Pasteur is also credited with the process of pasteurization which removes pathogens from consumable liquids, reducing temperature and subsequent illness.
Explanation:
Pasteurization involves treatment of a consumable food with
- heat to destroy the cells of disease-causing pathogens
- followed by immediate cooling (reducing temperature) to limit growth of the surviving cells and germination of spores.
It needs at least 4 hours to grow to cause illness :)
