What concept is central to Von Thunen's model of agricultural land use?

A) mechanization of agriculture
B) labor markets
C) economic rent
D) climate
E) financial markets


C

Environmental & Atmospheric Sciences

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A freely falling object has an instantaneous speed of 10 m/s. One second later its speed will be

A. 20 m/s. B. 30 m/s. C. more than 30 m/s. D. 10 m/s.

Environmental & Atmospheric Sciences

Which of the following photographs depicts an igneous rock where the magma cooled slowly at first and then had fast cooling?

A)


B)


C)


D)

Environmental & Atmospheric Sciences

The following items describe the conditions relating to a slump except item ________. 1. curving, scallop-shaped rupture scarp 2. broken pavement and tilted trees 3. vertical sedimentary rock layers bent downslope 4. occurring in regolith or weak rock

A) 1 B) 2 C) 3 D) 4

Environmental & Atmospheric Sciences

What kind of sediments are igneous rocks associated with?

A) Terrigenous B) Biogenous C) Hydrogenous D) Cosmogenous

Environmental & Atmospheric Sciences