Given:
Electromagnetic spectrum
To find:
regions of the electromagnetic spectrum from the lowest to the highest frequency.
Step-by-step explanation:
There are seven regions of the electromagnetic spectrum when arranged in increasing order of frequency. They are as follows:
1) Radio waves
2) Microwaves
3) Infrared
4) Visible light
5) Ultraviolet light
6) X-rays
7) Gamma rays
Conclusion:
Thus, the correct option is option C.