Because rainbow is illusion of eyes. It is cause of sun rays hitting water or moist. Rays curve up after hitting rain drops.
Chat with our AI personalities
Liguria i was also try to answer this question and my Italian tutor helped me
A rainbow is actually round. On the ground, the bottom part is hidden. In the sky, like from the view of a flying airplane, it can be seen as a round shape. Check the Popsci link for more information.
An arch or lintel supported by corbels, or protrusions from a wall.
it is shaped like a whale
The world is shaped like a sphere.