At the center of the sun, fusion converts hydrogen into

What property is a characteristic of a substance that can be observed and does not change the identity of the substance

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

Acoil formed by wrapping 80 turns of wire in the shape of a square is positioned in a magnetic field so that the normal to the plane of the coil makes an angle of 28.0° with the direction of the field. when the magnetic field is increased uniformly from 200 µt to 600 µt in 0.400 as, an emf of magnitude 80.0 mv is induced in the coil. what is the total length of the wire?