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The cells in the retina of the eye are extremely sensitive to oxygen levels. Most "passing out" (as opposed to chemically-induced unconsciousness) is related to lack of oxygen caused either by restriction of blood flow or momentary loss of blood pressure from standing too quickly, etc. We have three sets of cells that are sensitive to light that we would call red, yellow and blue-green. Together, they allow us to see colors. Whichever set stops working last would control the last color you see.
What else can I help you with?
What color on a map would seem to be better for farmland blue or green?
Well mostly you see it would be Green.
What color light would you expect to see on a green buoy?
A green light
What color a map would seem to be better for farmland blue or green?
Well mostly you see it would be Green.
What colour would you see if you put a green filter on a yellow cloth?
Yellow-green.
What do color blind people see when looking at red?
they most likely see green as if it is the most common type of colour blindness red/green colour blindness he/she would see green i think :S
How fast would you have to drive in order to see a red light as green?
To see a red light as green, you would have to drive at a speed faster than the speed of light, which is not possible according to the laws of physics.
What is the color you see if you are looking at light that has no red or blue?
If light has no red or blue, you would see the color green. Green is a combination of yellow and blue wavelengths, and when there is no red or blue light present, the resulting color perceived by the eye is green.
What colors you do not see while looking at a green leaf?
While looking at a green leaf, you would not be able to see the color green itself in that leaf. This is because the leaf absorbs all colors of light except green, which it reflects.
You enter a harbor from the open sea You see a green lighted buoy with the number 3 How should you pass this buoy?
Keeping it on your port, passing it to starboard, will prevent your running aground.
Why can't dogs see green from yellow?
It is believed they see no colors(black and white). And so they would not see either of these colors.
What do you see when you look at a red tulip with green leaves under a green light?
The red tulip would appear darker, almost black, under the green light due to the color absorption properties. The green leaves would appear bright and vivid as they reflect the green light. The contrast between the red tulip and green leaves would be enhanced under the green light.
Will you be able to see asteroid November 8 2011?
Yes, people were able to see the asteroid passing by earth. However, you would have needed a telescope, as you were not able to see it with the naked eye.
