The answer would be a tilt meter I believe. A tilt meter is a plastic square with measures on the sides, there is a bubble of air that goes to the middle if the surface is even, the measurements on the sides tell what the tilt is, I hope this helps, though it is difficult to read :)
Because of the makers of the map and derivation in which they printed it
Answer:
Alaska is called as mid night sun because of it's position in Arctic Circle,latitude 66°33' north.
Explanation:
- When the sun is located above the horizon for a full 24 hours,it is called as summer solstice and when it is located below the the horizon for a full 24 hours, it is called winter Solstice.
- In Alaska, sun travels at 360° direction in the sky thus Alaska receives 24 hour of light during summer time.
Answer:
It’s easier to distinguish between high- and low-quality coal.
Explanation:
Coal mining is the extraction of coal from the depth of the soil around the area where such coal is found. <em>This extraction shows that, there are various grades of coal ranging from low quality which is very dangerous for use to high-quality which is better for use. The use of the surface coal mining technique will help to distinguish it based on their various colours.</em>
