Question

Why danger signals are red?

Answer 1

Answer:

because it means that red means danger

Answer 2

$\huge{\underline{\purple{\mathscr{Hey, mate}}}}$

$\huge{\red{\mathfrak{Answer:-}}}$

The primary reason why the color redis used for danger signals is that redlight is scattered the least by air molecules. The effect of scattering is inversely related to the fourth power of the wavelength of a color. So red light is able to travel the longest distance through fog, rain, and the alike.