How is energy created from plants?

Question

How is energy created from plants?

Answer 1

energy cannot be created or destroyed.

Answer 2

Photosysthsis (SP?)

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Answer 3

Energy can be recovered from biomass which is plant materials in three ways:-

(1) Combustion to produce heat, steam and electricity by burning timber and peat.

(2) Fermentation to produce alcohol fuel for motor vehicles by processing sugar and starch, for example Sugar cane is fermented in Brazil and corn in the USA.

(3) Extraction of oils from seeds, for example canola oil to fuel diesel engines