Microbes, like bacteria, can only survive in a certain environment. describe the factors that ideal environment for a microbe must have

Microbes can survive in a variety of environmental conditions. Specifics depends on the type of microbe or bacteria. Factors to consider to answer an ideal environment will depend on:

- Temperature range: hot or cold
- pH: acidic or alkaline
- Gases availability: Oxygen, carbon dioxide and/or regarding their nutrients (sulfur, phosphorus, carbon or nitrogen)

Where are they though?