Answer:
Like all other catalysts, enzymes are characterized by two fundamental properties. First, they increase the rate of chemical reactions without themselves being consumed or permanently altered by the reaction. Second, they increase reaction rates without altering the chemical equilibrium between reactants and products.
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A substrate because substrates go to the active site on an enzyme.
Cognitive activities- things that make your brain think and process thoughts
snoring, breathing are automatic are not, Talking can be a cognitive activity, but I think the correct answer is C. Forming perceptions.
Thé indépendant variable is the park size and the dependent variable is the species richness. This is because the larger the park, the more species there can be, therefore the amount of species would depend on the size of the park