A mask must cover the nose: a. To prevent water from entering.
b. To ensure the best possible fit.
c. So that you can keep the pressure inside the mask equal to the pressure outside.
d. Both the first and second answers are correct.

Unlike  ct scans, which use x-rays,  mri scans  use powerful magnetic fields and radio frequency pulses to produce detailed pictures of organs, soft tissues, bone and other internal body structures.  differences between  normal and abnormal tissue is often clearer on an  mri  image than a  ct.you can see more with a mri scan. for example on an mri you can see internal bleeding.

It does to be honest

Answerhomones;

Idk the answer either bro my boi sparks