Well because you weight is different form every thing else that goes on in your body.
I would recommend studying and then looking it up
Cross Train and keeping the intensity consistent are the correct answers. If you're training at high intervals and cross training you will work through the plateau.
Hope this helps!
Answer:
When frequency increases more wave crests pass a fixed point each second. That means the wavelength shortens. So, as frequency increases, wavelength decreases.
Explanation: