Barley. Grains remain an important part of the Russian economy.
On the medieval world-maps it was represented only the part of the world known as the 'old world', which is consisted of Europe, Asia and Africa. Before the big discoveries, people living in this continents had knowledge only of this part of the world, while South and North America, Australia and Antarctica where still unknown to them, thus they are missing in the world-maps of this period.
Answer:
If the contour lines are close together it means that the change in elevation is very steep.
Explanation:
A is not correct because if the topography is almost flat, the contour lines would be very far apart.
B is correct because the closer the contour lines are, the steeper the topography is, meaning that the terrain is very steep.
C is not correct because if the elevation is not changing, the contour lines will be missing from that part of the map.
Answer:
B. Looks at oceans as highways instead of barriers.
Explanation:
B. Crystal size is a function of cooling time. The longer a melt cools the larger the crystals.