Answer and Explanation:
Yet the Incas, and the civilizations before them, coaxed harvests from the Andes' sharp slopes and intermittent waterways. They developed resilient breeds of crops such as potatoes, quinoa and corn. ... The ghost of the Incas' farming achievements still shadows the Andes.
The scale does. When you know the scale it is easy to calculate the real distance. If the scale is 1 : 1000, that means that 1cm on the map is equal to 1000cm in real life.
B) Control of the abuse of power
This would also be considered “checks and balances.” The president “checks” Congress by vetoing bills if he feels the need to do so.
Here!!! GOOD LUCK! If you need help memorizing try finding a quizlet.