Because rainbow is illusion of eyes. It is cause of sun rays hitting water or moist. Rays curve up after hitting rain drops.
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.
An arch in gymnastics is where you bend your back slightly so that you are shaped like "(" that.
folded mountain
a rainbow is not shaped like a arc its a circle
Marsh Concrete Rainbow Arch Bridge was created in 1911.
syncline
syncline
rainbow
rainbow
The name "rainbow" comes from the Latin word "radius" which means "ray" or "beam of light." Rainbows are formed when sunlight shines through rain droplets in the atmosphere, refracting or bending the light and creating a spectrum of colors.
Can be a noun. For example, the rainbow is shaped like an arc.
A solar flare arches up from the surface of the sun.
there are not very many you go up to then top in an elevator that is shaped like a pod