On a geologic map, a symbol that looks like a cross indicates ________.
A. branching beds
B. overturned beds
C. intersecting beds
D. horizontal beds
E. vertical beds
Answer: E
Environmental & Atmospheric Sciences
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The B soil horizon is also known as
A. topsoil. B. the zone of leaching or zone of loss. C. bedrock. D. the zone of accumulation or zone of gain.
Environmental & Atmospheric Sciences
The physical process of stream water alone removing pieces of rock is called ____
a. abrasion b. turbulence c. hydraulic action d. attrition
Environmental & Atmospheric Sciences
Which type of bacteria thrive in environments that lack free oxygen?
A) foraminifera B) placental C) aerobic D) anaerobic E) photosynthetic
Environmental & Atmospheric Sciences
Most soil development takes place ________
A) within seconds B) within hours C) within days D) within years E) on scales of time longer than human life spans
Environmental & Atmospheric Sciences