How does Earth's position relative to the sun cause the four seasons?

ANSWER C, Earth axis is tilted with respect to its orbit, so, as it revolves around the Sun its tilt with respect to the sun change, resulting in four season.

Explanation:

the answer is c a tornado

i believe it's c. the trait for large beaks will be passed on to future generations through natural selection.

since eventually smaller beaks would have to find another source of food or even eventually just die out from the lack of food.