Estimates of the cost of invasive species to the United States alone are in the tens of billions of dollars yearly. Annual federal expenditures on prevention and management of invasive species are estimated to exceed $1.3 billion.
Depending on what specific conditions are. Some of the color we see when we close our eyes is light that gets thru the eye lid. It usually has a red componenet to it because of the blood veins. Sone, especially right after closing our eyes is the various elements in our visual system settling down (rods, cones, ...).
Muscles around the eye both actively keep the eyes open when we are awake and shut( to protect our eyes from drying out) when we are asleep. When you die the muscles stop working altogether and the eyelids adopt a neutral position (often more open than shut), even if the person was asleep at the time they passed away.