8. What is the momentum of a 250-kg motorcycle traveling at 25 m/s West? (Show work)

a. 6250 kg*m/s
b. 6250 kg*m/s West
c. 100 kg*;m/s
d. 100 kg*m/s West

How are the tortoises that darwin observed on the galápagos islands similar to the anoles that losos studied

Which of the following is a common danger of commercial fishing?

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