List the divisions of geologic time from largest to smallest

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.

Why don't you see your reflection in water with waves or repples

What is a possible result of higher air temperature caused by global warming