The oblasts with greater than fifty percent non-Russian ethnic groups are in the:

A) west
B) southeast
C) northeast
D) Siberian region


A

Environmental & Atmospheric Sciences

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A farmer decides he will wait until the number of crop-eating insects gets large enough to create economic damage before he takes action.  When that occurs, he will first try natural biological controls.  If that does not work, he will use less harmful biopesticides in small amounts to target specific species; and then only use synthetic chemicals if he has no other choice.  What is this approach called?

A. Integrated pest management B. Conventional pest management C. Polyculture management D. Biodiversity management system

Environmental & Atmospheric Sciences

This figure has rock units and geologic features that are assigned letters that are not in any particular order. From the geologic relations, what is the oldest unit?



A) Limestone in the far right (unit K)
B) Dike (unit D)
C) Conglomerate (unit C)
D) Lava flow (unit L)
E) Granite (unit G)

Environmental & Atmospheric Sciences

Illustrate how soil can be considered a part of all four of Earth's spheres

What will be an ideal response?

Environmental & Atmospheric Sciences

Compare and contrast the thickness of the material that makes up ocean basins and continents and how they sit on the mantle. (Which one sits higher on the mantle and why?)

What will be an ideal response?

Environmental & Atmospheric Sciences