Final answer:
If the Earth's tilt were to increase by 20 degrees, the Tropic of Cancer would shift to a latitude of 43.5° N. The increased tilt would result in more extreme seasonal changes.
Step-by-step explanation:
Currently, the Tropic of Cancer is situated at the latitude equal to the Earth's tilt which is 23.5° N. If the Earth's tilt were to increase by 20 degrees, the added tilt would change the position of the Tropic of Cancer accordingly. Therefore, the new latitude of the Tropic of Cancer would be at 43.5° N (23.5 + 20 = 43.5).
This increased tilt would cause more extreme seasonal changes due to larger differences in solar radiation received at different times of the year. The original Tropical Cancer latitude and the Arctic Circle latitude would also have different differences with the new, increased tilt.
Learn more about Earth's tilt