Answer:
D. A coil of a toaster glowing when the toaster is switched on
Explanation:
3.91 is the correct answer
Answer:
Polluted ground water.
Explanation:
The rocks through which water flows into the ground sieves most of the contaminants whose molecules are larger than most bacteria. Such molecules include but are not limited oil molecules. Therefore as it descends to the lower levels of the soil profile, water is subjected to continuous filtration by the layers and it is the least susceptible to contamination by oil spills.
