The northern sea route takes them thru artic waters and the water often freezes creating damage and delays
The iron core at the in middle of the earth creates the magnetic field which protects us form solar storms and solar radiation
Answer:
c. upland surfaces, steep slopes and small alluvial fans
Explanation:
- An upland is generally considered to be land that has a higher elevation than the alluvial plain and the stream traces. The uplands are thus located in the steep traces and they are characteristic of the fault uplifts of a desert mountain ranges. And hence lie above the flooding zones.
A, colder climate the lower the pop density
The same clothing type, fabric, colors etc.