Usually under ground springs, or sometimes hollowed earth beneath solid earth where the water pools.
Answer:
The polymerase chain reaction relies upon unusual, heat-resistant __DNA polymerase molecules______ that were isolated from bacteria living in hot springs.
Explanation:
What they all have in common, is that they all give the body energy. Whether it's carbohydrates, fats, or oils, they all give the body lots of energy to function.
Hope I helped!
- Amber
