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1
The habitats valuable for commercially harvested species are called
2
Which of the following is tropical grassland?
3
With the disintegration of USSR in end 1991, comprised of ____ Union Republics.
4
The iron and steel industries of which of the following countries are almost fully dependent on imported raw materials?
5
The temperature increases rapidly after
6
The humidity of the air depends upon
7
The groundwater can become confined between two impermeable layers. This type of enclosed water is called
8
Without ____ the equator would be much hotter than it is while the poles would be much cooler.