Answer:
I think it's A: Sodium is needed to generate an action potential
Answer:
Main land, peninsula, and islands
Explanation:
When heat<span> is added to a substance, the molecules and atoms vibrate faster. As atoms vibrate faster, the space between atoms increases. The </span>motion<span> and spacing of the </span>particles<span> determines the state of matter of the substance. The end result of increased molecular </span>motion<span> is that the object expands and takes up more space.</span>
Explanation:
matter cycle through eco system
