This is more of a science question, but ok. You see blue light because in the color spectrum blue passes most easily through things. Hence why the sky is blue. Its the light from the sun filtered out and only blue passing all the way through the atmosphere.
I know this its probably a multiple choice its c & d Egyptian gold was in demand throughout the ancient world & <span>The Nile provided an avenue for trade</span>
Because it was a church day <span>On Sundays the military relaxed discipline
somewhat, allowing soldiers and sailors to go on leaving for the weekend,
or to sleep in an extra hour in the morning.</span>
They are reserved to the states respectively, or to the people.