Electromagnetic waves differ from mechanical waves in that they do not require a medium to propagate. this means that electromagnetic waves can travel not only trough air and solid materials, but also trough the vacuum of space.
Answer: They travel away from the focus of the earthquake in all directions.
Explanation:
The vibrations produced by Earthquake are called seismic waves. seismic waves travel from the point where fault occurs. The maximum intensity is about the focus of the fault. These waves travel away from the focus in all directions.
Seismic waves are both transverse (S waves) and longitudinal (P waves). The P and S waves can travel through the Earth where as the surface waves travel above or near the Earth's surface.
Answer:
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Explanation:
high blood pressure.
cigarette smoking.
diabetes.
high blood cholesterol levels.
heavy drinking.
