They use colors to find regions so you can find them easyer.
In simple terms, chlorophyll makes a leaf look green because it reflects only green light.
Answering in a more detailed fashion, chlorophyll is a pigment. As a pigment it absorbs some wavelengths of visible light, (red, orange, yellow, green, blue, indigo, and violet are the colors of visible light), while reflecting others. In specific, chlorophyll absorbs all other colors of light but green, which it reflects. It is this reflection of green light that cause a leaf to appear green.
Answer:This is wrong, there is a legal process to go through to get a citizenship in the US.
Explanation: The reason for this is to ensure that the President and the citizens will not get assassinated by terrorist
