It's caused by charged particles coming from the sun being diverted into the Earth's atmosphere by its magnetic field, and collided with atoms in the atmosphere to emit light.
Mining, manufacturing and steelmaking are some of them.
Canada is as it is further north than the US, in fact some of it is in the Arctic Circle and the very northern parts of Canada are practically in the North Pole.
Northern Michigan University is important to the Upper Peninsula region of Michigan.
In the northern parts of the desert there are some mining operations, especially copper. Nitrates were also an important resource until the 1940s. It is also an important place for observatories because of its low humidity, virtually no clouds or dust and low light, radio and air pollution.
Some advantages of using GU10 light bulbs are the fact that you could avoid the disadvantages of using regular light bulbs. GU10 light bulbs don't have poisonous gas inside of the bulb.
Yes. Light can provide activation energy. In fact some chemicals must be stored in the dark to prevent unwanted reactions.
It is mostly arid desert and it has the largest oil deposits in Africa.
Chirtmas because that is when God's son was born thay is why it is the most important holiday in Haiti and it's a fact
Northern Ireland is part of the United Kingdom (Great Britain is a geographic description) Republicans in the past used terrorism to try to force Northern Ireland to become part of the Republic of Ireland. They have been unsuccessful.
Generally speaking, maybe less than it does in northern European countries but it probably varies from person to person. For some it may be very important.
Well the interesting fact is that they carved rock and made arrow heads and darts.
the colors are green, red, light blue, and white.