During secondary active transport, the movement of one substance down its electrochemical gradient provides the force to move another substance up its electrochemical gradient. When both substances move in the same direction the mechanism is referred to as a(n)

What term is missing from the central region that describes hypotheses, theories, and laws? popular predictable mathematical falsifiable

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

Word equation for k(s) +h2o(l) yield koh (aq) + h2