Longitudinal dunes are ____

a. oriented parallel to the average wind direction
b. a type of transverse dune
c. a type of star dune
d. crescent-shaped dunes with arms point upwind


a

Environmental & Atmospheric Sciences

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As the temperature of air is reduced to its dew point, which of these is most likely to occur?

A) melting B) freezing C) condensation D) evaporation E) supercooling

Environmental & Atmospheric Sciences

A salt water solution is 3.0% (w/w). How much salt is there in a sample which weighs 250 grams?

A) 1.2 grams B) 1.5 grams C) 3.0 grams D) 7.5 grams

Environmental & Atmospheric Sciences

Gas bubbles decrease in number and volume as magma keeps rising upward to lower pressures, helping to propel magma upward through fractures or pipes toward an eruption.

Answer the following statement true (T) or false (F)

Environmental & Atmospheric Sciences

An area with many sinkholes and caves is said to have ________ topography.

A. decalcified B. karst C. cratered D. a subsidence-dominated E. a wadi

Environmental & Atmospheric Sciences