The frequency of the radio waves from the fm station is:

And the speed of the waves corresponds to the speed of light:

Therefore, the wavelength of the radio waves can be found by using the following equation:
Answer:
A. <u>It</u><u> </u><u>increased</u><u> </u><u>gradually</u><u> </u><u>as</u><u> </u><u>the</u><u> </u><u>reaction</u><u> </u><u>progressed</u><u>.</u>
Convection currents are responsible for circulating hot and cold air in the atmosphere and causing local weather systems. The correct option among all the options that are given in the question is the third option or option "C". I hope that this is the answer that has actually come to your desired help.