Setting up a circuit training program would not be a beneficial

The statement that completes the blank space, would be as follows: "Setting up a circuit training program would not be a beneficial sports-specific training program for skiers" and it is a false statement. The rest of the question was found on itself and it is false.

Explanation:

The reason for this being a false statement is that on the contrary, circuit training would benefit people who practice sports, such as skiing, which require the coordination, recruitment and harmony of so many muscular regions of the body and so many systems. This is because circuit training allows several body systems, especially muscular areas, to be strengthened and worked at the same time, and in coordination. This provides for a concerted work between muscular areas and systems and improves sports performance.  

scattering of light by tiny particles in air to produce the colors we see on sky, is dependent on the following factors:

(i) wavelength of light

(ii) size of the scattering particle  

(iii) distance traveled by light through the atmosphere.

according to rayleigh's law of scattering, the amount of scattering is inversely proportional to the fourth power of its wavelength. shorter the wavelength, greater is its scattering. hence violet/blue light is scattered more than red.

sun's light is a composite light ( visible light) with wavelengths in the range 400 nm (violet) to 700 nm (red). as sunlight passes through our atmosphere, the molecules of air scatter light according to their wavelengths. during sunrise and sunset, the sun's position is below the horizon. hence light from the sun travels a greater distance in the atmosphere when compared to its position a noon.

as sunlight enters the earth's atmosphere, blue light is scattered away and at the end of its journey in the sky, only red and orange wavelengths remain in the beam.

hence at sunrise and sunset, the sky appears reddish orange.