Which condition must exist in order for conduction to occur between two substances? the molecules of the substances must be touching. both substances must be the same temperature. at least one substance must be a liquid. most of the molecules must be slow moving?

Great amounts of electromagnetic energy from our sun and other bodies in space travel through space. which is a logical conclusion about these electromagnetic waves? their energy must be very their frequency must be very low these waves can travel without a medium they only travel through a vacuum of space

Why does asexual reproduction result in offspring with identicle genetic variation

The identities of substances are the same before and after which type of change