What is the wavelength of an earthquake wave if it has a speed of 12 km/s and a frequency of 15 hz

Six solutions are made, each with a y concentration of 1.0 μm and varying concentrations of ab as shown below. based on the concentrations, rank the solutions in decreasing order of reaction rate.

To create electromagnetic induction, which of the following has to move? a. a wire b. a magnet c. a transformer d. either a or b

What is the role of the ocular lens?