What makes a compound an acid? A. It dissolves into Hydrogen ions in water (H+ and H3O+)

B. It has a pH higher than 7

C. It dissolves into Hydroxide ions in water (OH-)

D. It cannot be mixed with oil​

This aquarium exhibits biotic and abiotic factors in an aquatic environment. one of the abiotic factors is

Why do you think the puppy litter was all dark-haired?

1. environmental factors, such as ph and temperature, can affect the function of an enzyme. a. true b. false 2. which of the following is an organic molecules (ex. vitamins) that an enzyme? a. coenzyme b. product c. active site d. substrate 3. how do enzymes effect the speed of a chemical reaction? a. they speed it up b. they slow it down c. they have no effect on the speed of a reaction 4. during a chemical reaction, an enzyme is used up so that it can only be used one time. a. true b. false 5. which of the following results from a chemical reaction that is catalyzed by an enzymes? a. active site b. product c. substrate d. coenzyme