What is the formula that is used to find the velocity of a wave?

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

True or false: the revolution of the earth creates day and night as it rotates around the sun

Choose the most likely outcome of this scenario: jen decided to go bike riding without a helmet. while no one is around during her ride, she is thrown from her bike when her wheel goes into a pothole. she is not injured, but she is terrified to get back on her bike. what happens next? a. her physical health is affected even though she wasn't hurt. b. her mental and emotional health are affected because she is afraid to get back on her bike. c. her social health is affected because she is worried her friends saw the fall. d. her overall health is not affected at all by her fall.