Consider the following two curves in the $x-y$ plane

- $y=x^3 + x^2 +5$
- $y=x^2 + x + 5$

Which of the following statements is true for $-2 \leq z \leq 2$?

- The two curves intersect once
- The two curves intersect twice
- The two curves do not intersect
- The two curves intersect thrice