Explanation:
it helps to make juices.
It helps to make concentrated acid into dilute acid.
Technically there is only one phase unless you account for a solution where you have a pure liquid with something dissolved in it. Unless you count aqueous as a phase which is just dissolved. Since you are in high school the answer you are looking for is one. <span />
An electron because that is the only part able to be lost or gained without nuclear action needed
Answer: Motion, providing a burst of power that can move a specific part of the device.
Explanation: Hope this helps