It may not seem like a lot of points but i will mark brainlest
1. which is usually associated with a faster reaction rate?

a. adding a catalyst to the reactants
b. blowing a whistle near the reactants
c. removing heat energy from the reactants
d. decreasing the concentration of a solution of the reactants

2. which is usually associated with a slower reaction rate?
a. using a whole solid in the reactants
b. adding heat energy to the reactants
c. adding food coloring to the reactants
d. using a strong solution of the reactants

3. which is usually associated with a faster reaction rate?
a. using a crushed solid in the reactants
b. putting a glass cover over the reactants
c. removing heat energy from the reactants
d. using a highly diluted solution of the reactants

4. which is usually associated with a slower reaction rate?
a. ringing a bell near the reactants
b. adding heat energy to the reactants
c. using a weak solution of the reactants
d. using a solid with a high surface area in the reactants

5. which has the fastest reaction rate?
a. rusting nails
b. burning logs
c. digesting food
d. exploding dynamite