Permafrost is a layer of soil that remains frozen throughout the year. A. An area with black spruce trees usually show permafrost. And white spruce trees with no permafrost.
Answer:
You need to attach pictures of the shapes
Explanation:
<span>americanhistory.si.edu/powering/generate/gnmain.htm</span>
Answer:
Longitude is much harder to calculate than latitude.
Explanation:
The Earth rotates 360° per day, which is 15° per hour, and so there's a direct relationship between longitude and the time that the Sun rises and sets
