Exam (elaborations)
National Board Dental Hygiene Examination (NBDHE) NBDHE Practice Questions
- Course
- NBDHE
- Institution
- Liberty University
The x-ray was discovered by a. Heinrich Geissler b. Wilhelm Roentgen c. Johann Hittorf d. William Crookes - Wilhelm Roentgen Which discovery was the precursor to the discovery of x-rays? A. Beta particles B. Alpha particles C. Cathode rays D. Radioactive materials - Cathode rays Which term describe...
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