Sunsets are red because:
a) the cooler atmosphere in the evening absorbs more blue light.
b) sunlight must pass through more atmosphere then, and the atmosphere scatters even more light at bluer wavelengths, transmitting mostly red light.
c) sunlight must pass through more atmosphere then, and the atmosphere scatters more light at red wavelengths than bluer wavelengths.
d) the sun emits more red light when it's setting.
e) none of the above

answer: sunlight (what we call "white light") is made up of all different colors of light, each having a different wavelength. during a sunset, more red light is scattered toward you because of aerosols in the lower atmosphere, compared to the amount of blue or green light that is scattered.

the roman republic began to expand when rome fought the punic wars and defeated carthage. the punic wars refer to the series of 3 wars fought among rome and carthage, before it ended in carthage's defeat.

the answer is a hope this