3 What is true of tectonic plates?
А
They are constantly moving
B
Earthquakes cause them to move
C
They don't move for centuries at a time
D
There are fewer and fewer of them

the arctic is a region of the planet, north of the arctic circle, and includes the arctic ocean, greenland, baffin island, other smaller northern islands, and the far northern parts of europe, russia (siberia), alaska and canada.

blue light is scattered in different directions by the tiny molecules of air. blue is scattered more than other colours because it has a shorter distance to travel which results in smaller waves. this is why we see a blue sky most of the time.