Sunsets and sunrises often appear red because
a. the Sun emits more red ight when it's rising and setting.
b. sunlight must pass through more atmosphere, which scatters the shorter wavelengths more than the longer wavelengths, allowing more red light to reach your eye
c. the cooler atmosphere in the morning and evening absorbs more blue light.
d. sunlight must pass through more atmosphere, which scatters the longer wavelengths more than the shorter wavelengths, allowing more red light to reach your eye
e. none of the above