What are some examples of electric circuits in nature?

Which of the following is not a physical property of mattera. melting pointb.heat of combustionc. viscosityd. boiling point

Wavelength of 125 meters is moving at a speed of 10 m/s. what is it's frequency?

Suppose that three astronomical objects, 1, 2, and 3 are observed to lie on a line, and the distance from object 1 to object 3 is d. object 1 has four times the mass of object 3, and seven times the mass of object 2. find the distance between objects 1 and 2 for which the net force on object 2 is zero.