Answer:
energy:
-the strength and vitality required for sustained physical or mental activity.
-power derived from the utilization of physical or chemical resources, especially to provide light and heat or to work machines.
Explanation:
<span>Molecules at higher temperatures have more energy,
thus they can vibrate faster. Since the molecules vibrate faster, sound
waves can travel more quickly. The speed of sound in room temperature
air is 346 meters per second. so that would be answer A</span>
the answer should be b) molecules because molecules are what creates a amino acid
Answer:
you can't see your back because your neck can only move in fixed direction