Enzymes.
because enzymes are a substance produced by a living organism that acts as a catalyst to bring about specific biochemical reaction.
Answer:
C. Fe2O3 + 2Al → 2Fe + Al2O3
D
Reason - language disorder resulting from an injury to the brain
1. Conduction, convection, radiation
2. True
3. Absorbed, scattered, reflected, transmitted
4. Albedo, greenhouse effect
