D. Rock because it is not living
Answer:
explain what need to be done here pls? what do you need?
Explanation:
<h2>Answer:</h2>
Option A is correct
Adding an enzyme to decrease the activation energy of the reaction
<h2>Explanation:</h2>
Enzymes are the biological catalyst. They are proteins in nature. They are naturally found in humans,animals,micro-organisms,plants etc. They catalyze the chemical reactions by lowering activation energy and without being consumed in it.
Answer:
1. analyze the samples while they are frozen
stuff can react differently when it's colder
hope I could help good luck