Answer:
a very powerful and influential nation (used especially with reference to the US and the former Soviet Union when these were perceived as the two most powerful nations in the world).
Answer:
1: the black lines on the map identify the separate tectonic plates.
2: the arrow shows the direction of the movement of the tectonic plates and what plates might be over lapping each other and what might draft away from each other.
Explanation:
These layers are the troposphere, stratosphere, mesosphere and thermosphere.
Answer:
high productivity ,low per capita output, emphasis on cereal , dependence of soil
Explanation:
more than one crop cultivated during the year
