Assume you are responsible for determining the elevation of a communications satellite above Earth's surface. Predict and explain how elevation of the satellite would affect the area on Earth that transmitted radio waves can reach.

List one type of erosion and describe how it happens?

Both independent and dependent clauses

Which statement best describes the superposition principle? a.) if two in-phase waves arrive simultaneously at a point, their amplitudes add up b.) if two out-of-phase waves arrive simultaneously at a point, their amplitudes add up c.) if two in-phase waves arrive at a point one after another, their amplitudes add up d.) if two out-of-phase waves arrive at a point one after another, their amplitudes adds up