Answer: the device is called an Electroencephalography machine.
Explanation:
An EEG or Electroencephalography is an electrophysiological monitoring method to record electrical activity of the brain.
A prey animal could be a mouse and he predator could be a lion or cat
The correct answer is <span>C. You cannot view live specimens because the necessary preparation kills cells. </span>
The answer is pretty self-explanatory. Unlike it, regular microscopes can view living creatures such as bacteria or similar.
Answer: Rougher Surfaces
Explanation: Rougher surfaces have more friction between them than smoother surfaces. The rougher surface of the soles of the shoes causes more friction and slows you down.
