Which of the following is true about the Incas and farming in the Andes Mountains? A. They found that the best soil was at the top of the mountains.
B. The higher the Incas farmed, the warmer the temperatures became.
C. Their method was identical to the Aztecs, in that they used swamp lands.
D. Farming had to be done vertically or terraced.

1. state-issued photo ids. provide them for free for those who can't afford them.

2. the system we have seems to be working nearly perfectly. seems like about 31 cases per billion votes cast

3. the national policy for hiring new employees which requires proof of eligibility to work. there are something like 20 types of identification which can be used for this.

changes in factors like average income and preferences can cause an entire demand curve to shift right or left. this causes a higher or lower quantity to be demanded at a given price. demand curves relate the prices and quantities demanded assuming no other factors change. it is important for consumers to know this information, because it is crucial for them to know what they can afford and can't afford. i hope this .