What is the name of the scale that is used to test the hardness of a mineral? ?

Awave is produced in a rope. the wave has a speed of 33 m/s and a frequency of 22 hz.

In a set amount of time, a battery supplies 25j of energy to an electric circuit that includes two different loads. one of the loads produces 10 j of heat energy during this time interval. how much heat energy is produced by the second load in this time? explain your answer

How do the kidneys affect homeostasis