There are 8. Red, Yellow, Green, Orange, White, Black, Blue, & Brown
9 shapes
There are infinitely many shapes that do.
There are infinitely many 3d shapes and many of them do not have specific names.
five
Polyhedrons are shapes with many faces
10
4
there r many advantages and disadvantages of traffic signs
Word-wide there are thousands.
There are many breeds of dogs. They come in many shapes, colors, and sizes.
Several studies have been done on what makes for the easiest to read signs. Red and Yellow are extremely popular and that is why a lot of traffic signs are those colors. Green also has high visibility though, which is why US Interstate Highways signs are green and is viewed as a more relaxing color than red.
There are all types of seahorses,they come in many diffrent shapes and sizes
You don't clean frogs.
They both have wings and can come in many different shapes, sizes, and colors.
There are about 60-70 different species of eagles, and they come in many different colors, shapes and sizes. Some common eagle colors are gold, brown, black, white and gray.
There are a number of signs that could be considered standard street signs. Some of the most common ones are Stop signs, Yield signs, Speed Limit signs, Slippery When Wet signs and Two Way Traffic signs. There are many more but these are the basic ones.
Most effective parking signs are signs that are clear, vivid and easy to read. Signs with black background and colors like yellow or red are much more noticeable.