Answer: Electron
Explanation:
Two type of microscopes that are used to view cells are optical and the electron microscopes.
The optical microscope, is also called the light microscope, and it uses visible light and lenses to magnify small objects and make them bigger. It is used in viewing cells as they appear big.
Electron microscope gives a high resolution images of specimens. The electron microscope is used in medicine to investigate tissues, cells, etc.
D. because Facebook averages about 1.7 billion users everyday!
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The correct answer is "high blood pressure."
Further Explanation:
There are numerous biofeedback therapies that are useful for many illnesses. The sessions for a biofeedback therapy can last anywhere from 30 minutes up to 60 minutes and may take several visits to finish the therapy.
When the biofeedback therapy is being performed there may be relaxation therapy used also. Some of the relaxation therapy included are;
- deep breathing
- muscle relaxation
- meditation
A few of the techniques used in biofeedback therapy are;
- EEG
- EMG
- Temperature biofeedback
- Galvanic skin response training
Learn more about biofeedback at brainly.com/question/1100543
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