It is a surface force
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A sound wave is a wave of compression and rarefaction, by which sound is propagated in an elastic medium such as air.
Answer:
Space radiation is made up of three kinds of radiation: particles trapped in the Earth's magnetic field; particles shot into space during solar flares (solar particle events); and galactic cosmic rays, which are high-energy protons and heavy ions from outside our solar system.
Explanation:
B. To have an earthquake there must be a fault line (where two or more tectonic plates meet) so if San Fran. has earthquakes they’re on a fault line.
Pretty sure it’s Force*Distance*Cos(theta)
