The answer is B . Hope this helps
Answer: b. reaction 3
Explanation: When an enzyme is present in a reaction acts as a catalyst, increasing velocity of reaction and decreasing the activation energy, when not present an enzyme the reaction velocity is very low and implies high activation energy, being unfavorable to the system
Hopes this helps:
Answer:
The body of a fish is streamlined because, it increase the speed of the fish in the water. The more the streamlined shapes more easier for the fish to swim in the water.
P waves are one of the main types of elastic body waves. They travel faster than the other seismic waves and it is the first single that arrives during an earthquack.
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Explanation is in the file
tinyurl.com/wpazsebu
