Which fact is true during a fission chain reaction? (1 point) O The number of freely-moving neutrons increases over time.
o The total number of protons will decrease over time.
O The number of freely-moving neutrons decreases over time.
o The total number of protons will increase over time.

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

Which of the following is a good strategy when it comes to desserts

Which of the follow describes a disadvantage secondary sources have compared to primary sources?