MRI machines use extremely strong magnetic fields. These fields must be adjustable to produce high-quality images. What might these machines use to generate such a field?
A
electromagnets
B
permanent magnets
C
induced current

In which environment would primary succession occur? a forest with a few remaining trees after a recent wildfire an area of exposed rock after a glacier melts away beach that is exposed to the air at low tide an abandoned baseball field in a small town

What is the standard unit of measure for acceleration?

How do you convert 4 mmol of bromobenzene to ml?