Answer:
1. D
2. A
3. Not sure, don't know what the images are.
4. Same as 3.
Answer:
Weathering makes the rocks smooth
The best example is their amazing system of roads. The Incas built roads across the length and width of their empire. To create routes through steep mountain ranges, they carved staircases and gouged tunnels out of rock. They also built suspension bridges over rivers.
Hope this helps
He has the authority to command orders and he also gets to rule a country that he has to make sure is safe and that he is earning profits.
Nails are generally made of metal, which make for excellent conductors.
Heaven forbid if you try to protect yourself from heat or electricity with metal...
