Select all that apply. which of the following astronomers supported the earth-centered system? tycho brahe kepler copernicus ptolemy

Waves are used in many practical applications to support work, entertainment, and health. one example is the use of ultrasound imaging to safely track the development of a growing fetus. what is a specific example of a practical application of waves in medicine, entertainment, safety, or other fields? provide a brief explanation of how the properties of waves are useful to that application.

Imagine that someone pushes one marble toward a motionless marble. would there still be action-reaction forces involved in the collision? how might the marbles’ motions be changed? ?

Under normal conditions, describe how increasing the temperatures effects the solubility of a typical salt