Choose your answer before opening the explanation. This is a learning exercise, not a competency assessment.
Compost above 60 °C at the peak is harmful because it:
- Dries the straw
- Kills the thermophilic fungi Phase II needs
- Raises the pH
- Stops the fan
See the answer and why
Kills the thermophilic fungi Phase II needs DMR warns that above 60 °C organisms die, including the thermophilic fungi.

