What is your question exactly? I'm confused?
Actually it's

and it says that the energy of an object (E) is equal to the mass (m) of the object multiplied with the squared speed of light (

). This theory says that mass can be turned into energy and energy can be turned into mass. This is one of Einstein's theory of relativity.
Answer:
you need water, sodium iodide, and soap
Answer:
The answer is 2 because the formula is
wavelength=speed/frequency
The answer is D because it’s going by the miles