# Chemistry

posted by .

What is the chemical cause of the greens and red colors of aurora borealis (the northern lights)?

## Similar Questions

1. ### art-colors

what are all the different colors that mix to make other colors?
2. ### science

Observed under magenta colored lights, you see a crayon that appears red. What colors could the crayon be when observed under ordinary white lights?
3. ### math

I cooked 1/2 of greens today and 1/3 of greens yesterday. How much greens did I cook.
4. ### probability

a teacher on her way to work passes through 3 stoplights each morning. the distances between the stop lights are great and the lights operate independently of each other. if the probability of the red lights are .4,.8 and .6 for each …
5. ### math

Marley drives to work every day and passes two independently operated traffic lights. The probability that both lights are red is 0.35. The probability that the first light is red is 0.48. What is the probability that the second light …
6. ### math

Rufus is in charge of lighting a play. Half the lights he uses are white. Of the remaining lights, 1/3 have red filters, and 4 have blue filters. The 10 lights left have yellow filters. How many lights does Rufus use for the play?
7. ### statistic

A student must pass through 12 sets of traffic lights on his way to university. Suppose that each of the lights is green 39.5% of the time, yellow 5.9% of the time, and red 54.6% of the time. Suppose also that the traffic lights function …
8. ### statistics

24. Suppose there are five traffic lights that you need to pass while driving from your work to school. The probabilities that you will stop for these red lights are: 0 red light with probability 0.05, 1 red light with probability …
9. ### math

Ms. Tucker travels through two intersections with traffic lights as she drives to the market. The traffic lights operate independently. The probability that both lights will be red when she reaches them is .22. the probability that …
10. ### Science

escribe why there are different layers in the atmosphere what are the charecterestics of them which one has the ozone layer which layer is the coldest which is the hottest which one holds the aurora borealis

More Similar Questions