I know this is late but the correct answer is
D. Lowering the activation energy of the reaction
432hz x 432hz = 2228
Explanation:
the simple explanation is shushh
You’ll have to also provide pics from the article the question is talking about Bc it’s asking for evidence from the article which you didn’t show lol
Answer:
the layer of the earth's atmosphere that contains a high concentration of ions and free electrons and is able to reflect radio waves. It lies above the mesosphere and extends from about 50 to 600 miles above the earth's surface.
Explanation: