No, its not. In a function, each x value has only one corresponding y value. In this relation, the x value 3 has corresponding values of both -1 and 5, which means it cant be a function.
1. Nuclear fusion
2. Nebulus clouds
3. Stellar gravity
4. Rotation
Answer:
none of the above
Explanation:
In a nation, most of the time, people with similar cultures of beliefs come together in order to form a nation. Also, just because you form a nation because you have similar beliefs, doesn't mean there won't be problems that you haven't prepared for, especially as time goes by, new ideas come to mind, so there will always be conflict.