Question

• Nitrogen can be fixed by..., ... &_processes .
.• Biogas fermenters are used to produce_gas.​

Answer 1

Explanation:

Nitrogen fixed by azoto bacter.

Biogas tormentors are used to produce methanol gas

Answer 2

Explanation:

hii

• nitrogen can be fixed by lightning,industrial methods and bacteria living in soil.
• biogas fermenters are used to produce methane carbon monoxide

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