Fact 1: Biomass is the total mass of organisms at a trophic level.

Fact 2: Biomass Organic matter, called biomass, can be burned in an incinerator to produce energy.

Given the two facts above, answer the question "the total mass of organisms at a trophic level can be burned in an incinerator to what?" with the following options: 
- heat energy
 - produce burning
 - produce energy
 - produce sound
 - Electrical energy
 - Greenhouse gases
 - adding heat
 - produce light


 

   produce energy      