Hi please help im giving out brainliest to the person who answers correctly What geographic factor allowed new ideas to spread to Italy?

Italy’s long coastline had many major trade centers.
Italy’s many rivers were natural highways between cities.
Italy’s mountains separated cities and prevented conflict.
Italy’s eastern location allowed many land routes to trade centers in Asia.

Why is the future for life on earth bleak?

Which statements are accurate about snow flakes

If you could drill a hole straight to the center of the earth, and keep track of what the hole is going through, youwould find: a) you would go through one sort of material, and then a different, denser material, and then a still-different, still-denser material, because the planet is made of concentric layers, sort of like an onion.b) you would go through one sort of material all the way to the center, because the planet is all mixed up.c) if your hole started at the north pole, you would go through different layers of different materials, but ifyour hole started at the equator, you would go through one sort of material all the way to the center.d) if your hole started at the equator, you would go through different layers of different materials, but if yourhole started at the north pole, you would go through one sort of material all the way to the center.e) you would strike diet pepsi when you got to the center.