Answer:
Explanation:
Well this really depends on you dude; this question asks for your opinion.
But personally I disagree with this because I like to use different ways to find the answer or in this case describe the entire universe. This is because I can use different variables to solve for the unknown.
If you agree, you can say something like I can memorize this equation or something along the lines.
Answer:
I only really know the "How do we use these EM waves in our lives?" part srry
Explanation:
EM waves are used to make sure you cellphone, radio, TV, and etc. have service/ connection.
Answer: 
Explanation:
The frequency 
of an electromagnetic wave is given by the following equation:
Where:
is the speed of light in vacuum
is the frequency of red light
is the wavelength of red light
Isolating :
Finally:
