Sunspots are planet-sized islands of magnetism on the surface of the sun. they are the source of solar flares, coronal mass ejections and intense uv radiation. based on nasa data of recent sunspot activity, we can expect

Answers Options:

A)predictable cycles of disturbances in radio and satellite communication systems on Earth.  

B)continual disturbances of radio and satellite communications systems on Earth.  

C)infrequent disturbances of radio and satellite communications on Earth.

D)amazing auroras in Northern latitudes on Earth every winter.  

A,  predictable cycles of disturbances in radio and satellite communication systems on Earth.

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true. earthquakes are felt whenever there is a slip around a fault in the rocks below the earth. this reorientation of faults create sesmic waves and is known as earthquake, the severity of which is measured in richter scale. these are more prominent in hilly regions as the rocks usually form faults to balance the pressures on it.