Electromagnetic waves with low frequencies have been used for long-distance underwater communication. these waves most likely belong to which of the following parts of the electromagnetic spectrum?
a. gamma rays
b. infrared waves
c. radio waves
d. x-rays

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.

J. j. thomson’s experiment disproved the theory that an atom

Which lists the pairs of plates in order from least to greatest in terms of the work done to move the electron?