Final answer:
If the Earth's tilt was eliminated, the seasons would be eliminated and there would be a constant climate.
Step-by-step explanation:
If we changed Earth's tilt so that it was straight up and down, the seasons would be eliminated. Currently, the Earth's axis is tilted at an angle of about 23.5 degrees relative to its orbital plane around the sun. This tilt is responsible for the changing seasons we experience throughout the year. When one hemisphere is tilted towards the sun, it receives more direct sunlight and experiences summer, while the other hemisphere is tilted away from the sun, receiving less direct sunlight and experiencing winter. If the Earth's tilt was eliminated, both hemispheres would receive the same amount of sunlight throughout the year, resulting in a constant climate.
Learn more about Effects of changing Earth's tilt on seasons