Which of the following is an example of qualitative data? 1. The temperature decreased from 20C to 15C.

2. The contents of the stomach are mixed every 20 seconds.

3. The six pairs of robins hatched an average of three chicks each.

4. The fish swam in a zigzag motion.​

1. an enzyme is considered a(n) because it speeds up a chemical reaction without being used up.2. in a catalyzed reaction, a reactant is often called a(n) . an enzyme is specific because the shape of its matches only particular reactants.4. an enzyme speeds up reactions by lowering the . the between an active site and its substrate often strains bonds and the reaction proceed.6. a( , which is often a vitamin, binds to an enzyme and plays a role in catalysis.7. high temperatures or changes in ph can an enzyme, causing it to lose its shape and biological activity.