A soil composed of well-rounded sand grains of uniform size will most likely have a
A. high porosity.
B. high permeability.
C. low porosity.
D. low permeability.
Answer: D
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A) N2. B) NOx. C) N2O. D) NO2.
Irregular, poor settlements that surround Mexico City and are defined by the "self-help construction" are called:
A) Barrios B) REDD C) cartels D) inner suburbs E) Braceros
Conditional instability is when the lapse rate of an air parcel is ________
A) greater than the wet adiabatic lapse rate B) greater than the dry adiabatic lapse rate C) less than the wet adiabatic lapse rate D) less than the dry adiabatic lapse rate E) between the wet and dry adiabatic lapse rate
Which of the following remains the most plentiful of the mineral fuels?
A. peat B. natural gas C. coal D. petroleum