When using the fireplace, never leave the room unless the screen is

a. cracked
b. open
c. closed

Difference between normal and abnormal tissue is much clearer on mri than on ct and mri much suitable to view soft tissues

Keep your hands washed and trash kept in trash cans.

A. i may be wrong i really don’t know

Ican only answer your first question, a machine is like a human body because it's a little similar. they both almost work like the same.