In a chosen coordinate system, the position of an object in motion can have negative values

Pls pls pls pls ! describe, in your own words, how you found the epicenter of the earthquake.

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.

Which planets are visible without a telescope