The amount of energy at each trophic level decreases as it moves through an ecosystem. As little as 10 percent of the energy at any trophic level is transferred to the next level; the rest is lost largely through metabolic processes as heat.
All isotopes contain different number of neutrons then the original element
Answer: in an electrical circuit, electricity flows one direction: out of the positive terminal of a battery and back into the negative terminal.
Explanation:
Since the equation for Work is as follows....
Work = Force x Displacement
Your equation is...
Work = 300N x 15m
Work = 4,500 Joules