For an oil reserve to exist, oil and gas must be held underground in the reservoir rock by "traps". In the following what are the underground traps?
a. Anticline trap
b. Fault trap
c. Salt-dome trap
d. Stratigraphic trap
e. All of the above
Ans: e. All of the above
Environmental & Atmospheric Sciences
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Answer the following statement true (T) or false (F)
Environmental & Atmospheric Sciences
Open spaces and connected passageways in karst bedrock are called _______________
Fill in the blank(s) with correct word
Environmental & Atmospheric Sciences
A vertical cross section of soil extending from the surface to the deepest extent of plant root activity or to the regolith and bedrock is known as a
A) soil horizon. B) soil profile. C) pedon. D) polypedon.
Environmental & Atmospheric Sciences
What percentage more nitrogen would be saved annually by using reduced tillage rather than conventional tillage?
a. 2.7% b. 63% c. 50% d. 37%
Environmental & Atmospheric Sciences