What is most likely the reason the author included the information about "boom and bust" periods?

Which of the following are energy solutions that release pollution into the air>

Why was mendel's work not accepted at the time? o a. his results were false. o b. he did not repeat his experiments. o c. he did not have any data. o d. his results were surprising,

2. sketch the inside of the bean nodule, and describe or label what you observed with the hand lens.