Not quite sure but would say Archaebacteria with the most confidence... hope this helps good luck
B THEY RELEASED CARBON DIOXIDE, WHICH EVOLVING ANIMALS NEEDED.
Factors Affecting Enzyme Activity. ... Several factors affect the rate at which enzymatic reactions proceed - temperature, pH, enzyme concentration, substrate concentration, and the presence of any inhibitors or activators.
Easy:
1. 2K + Br2 — KBr
2. 4Sb + 3O2 — SB4 O6
Medium:
1. 2Na+2H2O — 2NaOH+H2
2. 2KNO3 — 3KNO2+O2
Hard:
1. 4NH3+5O2 — 4NO+6H2O
2. C2H5OH+3O2 — 2CO2+3H2O
