Answer:
yes, it is a magnet.
Explanation:
The electrons that are travelling through the wire go in 1 direction allowing it to create a magnetic field around its area.
Answer:
D) examine a person for diseases
Explanation:
Only an X-ray can examine a person for diseases and broken bones because it is used to see what is happening on the inside of our bodies.
Answer:
B. Amplitude is the height of a wave.
Explanation:
Amplitude may have differing (and sometimes tricky) definitions. The most frequent, for symmetric waves) is one that declares an amplitude the change of a signal/wave-height from the zero-intercept/equilibrium point, or, similarly, half the difference between the maximum and the minimum peak within one period.
