PLEASE HELP
A. Two imaging techniques that doctors use are MRI imaging and CT imaging. Use the table of electromagnetic wavelengths to answer the following questions. (12 points)

Electromagnetic
Wave Category
Approximate
Wavelength Range
Gamma rays
< 0.01 nm
X-rays
0.01 nm – 10 nm
Ultraviolet waves
10 nm – 400 nm
Visible waves
400 nm – 800 nm
Infrared waves
800 nm – 3 mm
(3 × 106 nm)
Microwaves
3 mm – 30 cm
Radio waves
30 cm – 10 m

iii. Use of high-energy radiation on children should be as minimal as possible. If the doctor had a choice between ordering an MRI or a CT scan for a young child, which would she order? Why? (2 points)