O is what should go in the blank. O stands for Oxygen.
Attractive antennas that pull the waves tword it.
Answer:
The 1st and 2nd ones on the top
Explanation:
Hope this helps:)
"Only electrons are involved in chemical reactions" is the statement among the following choices given in the question that is the <span>best explanation for chemical reactions not to produce radioactive particles. The correct option among all the options that are given in the question is the third option or option "C". </span>