Pelvic girdle
In human anatomy, the pelvis is a complex of bones that connects the trunk and the legs, supports and balances the trunk, and houses and supports the intestines, the urinary bladder, and the internal organ. It is sometimes referred to as the bony pelvis or the pelvic girdle.
One is located on the left side of the body and the other is located on the right. They come together to make the pelvic girdle, a portion of the pelvis. The hip bones are attached to the upper portion of the skeleton at the sacrum.
The pelvic girdle's main function is to support the upper body's weight while seated and transfer that weight to the lower limbs while standing. For the muscles in the trunk and lower limbs, it functions as attachment point.
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Explanation:
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B) 20 cm
The height and distance will be the same. Only the image will be laterally inverted.
Wellll, let me think about that ...
I don't think I'd agree that you can characterize the amplitude of
a wave according to the density at only one point in it. After all ...
a tiny wave in steel would be much denser at a compression than
a huge wave in air would be.
The amplitude of any wave is described as the difference between
a peak and the resting value. Or even better ... half of the difference
between a maximum and a minimum.
So if you're looking at a longitudinal wave, like sound, I'd say if you
want to describe its amplitude, then you have to look at the density
at two points ... either the difference between the compression and
the resting densities, or the difference between the greatest compression
and the greatest rarefaction.
That's my opinion. I could be wrong.