A(n) scan maps brain activity over time. a. eeg b. ct c. mri d. pet

A PET scan maps brain activity over time.

Explanation:

The full form of PET is Positron Emission Tomography. A PET scan test assists to divulge the current functioning in the patient's organs and tissues. It need a tracer (radioactive drug) to display this whole activity on screen. A PET scan takes images of the functioning of the brain after tracers have been immerse into the bloodstream.

Hence, A PET scan maps brain activity over time.

i had this question and the answer was 3.15 miles.

martina travels from school to her mom's office. from there, she walks to school. after school, she walks to the library and then to a friends house before finally ending back at home. find martina's total distance traveled.

a) 0 miles  

b) 0.4 miles  

c) 1 mile  

d) 3.15 miles

the tires are rotating at 0.434 rpmlinear speed=45 m/sdiameter=0.550 mradius=0.275 mnow v= rωω= v/rω=45/0.275ω=163.6 rad/sω=163.6 rad/s (1rev/2π rad) (60s/1m)ω=1563 rpm