Give three instantaneous scale (time) examples of earth's systems, two long-term scale (time) examples of earth's sytems, and three examples of cycles of earth's systems. why are volcanoes and volcanic activity a good example of system interactions?

Processes operating in the Earth system take place on spatial scales varying from fractions of millimeters to thousands of kilometers, and on time scales that range from milliseconds to billions of years.

desert perennials often survive by remaining dormant during dry periods of the year, then springing to life when water becomes available. most annual desert plants germinate only after heavy seasonal rain, then complete their reproductive cycle very quickly.

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