<span>I would say greater than because as you do deeper, the pressure strengthens. If you were in a 10 ft deep pool and you dive all the way to the bottom, the ears usually pop. That's because of the pressure. Whereas if you were to go five feet, your ears wouldn't. It depends on the age of the person.
Hope this helps.</span>
Current flows from High Potential (Positive) to Low potential (Negative)
So, option D is your answer!
Hope this helps!
The amplitude determines the volume of the sound. This isn't affected by the motion of the sound source.
Hope this helps
This is a diagram from above, the air resistance is oppose to movement, the bird is moving forward given its force is bigger.