Answer:
I think its structural plasticity.
Answer:

Explanation:
The definition of the intensity in terms of power is given by:

Where:
- P is the power
- A is the area
If the sound emits uniformly in all directions and that there are no reflections, we can assume the geometry of the wave sound is spherical.
Let's recall the area of a sphere is 
To the first location we have:

and to the second location we have:

Now, we can divide each intensity to find the second intensity.




I hope it helps you!
Answer:
Differences between freefall and weightlessness are as follows:
<h3>
<u>Freefall</u></h3>
- When a body falls only under the influence of gravity, it is called free fall.
- Freefall is not possible in absence of gravity.
- A body falling in a vacuum is an example of free fall.
<h3>
<u>Weightlessness</u></h3>
- Weightlessness is a condition at which the apparent weight of body becomes zero.
- Weightlessness is possible in absence of gravity.
- A man in a free falling lift is an example of weightlessness.
Hope this helps....
Good luck on your assignment....
E=mc² where c is speed of the light
3 m/s more andmore less than speed of the light. So mass of the person still 100 kg