Bacteria can live in hotter and colder temperatures than humans, but they do best in a warm, moist, protein-rich environment that is pH neutral or low acid.
There are exceptions:
- some bacteria thrive in extreme heat or cold
- some can survive under highly acidic or extremely salty conditions.
Bacteria grow fastest in the temperature range between 41°F (5°C) and 135°F (57°C), which is known as the Temperature Danger Zone or "TDZ"
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