William was doing a class report on asthma and learned that several factors may contribute to its development, including all of the following EXCEPT _____.

What safety threats affect school-age children, and what can be done about them?

What will be an ideal response?

A brain-imaging method using radio waves and magnetic fields of the body to produce detailed images of the brain is called ________

a) electroencephalography (EEG) b) magnetic resonance imaging (MRI) c) positron emission tomography (PET) d) computed tomography (CT)