What creates perched ground water?

A) tectonic plate movement
B) folding action that results in higher pockets
C) patches of low-permeability rock
D) excessive flooding


Answer: C

Environmental & Atmospheric Sciences

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Why do big baleen whales, such as the blue whale, eat small creatures such as krill?

a) krill are highly abundant because they are near the bottom of the food web, so there is more biomass to support large animals b) they are so large and heavy that they cannot swim fast enough to catch larger prey c) baleen whales feed on the ocean floor, where krill live in the sediment d) krill contain critical nutrients that the big whales need to survive e) Only big baleen whales are fast enough to catch krill in large numbers

Environmental & Atmospheric Sciences

List the three stages of stream development, and explain what happens in each along with the associated changes to the surrounding topography

Environmental & Atmospheric Sciences

A stream channel has a cross sectional area of 20 square meters (20 m2). The stream's velocity at that point is 4 meters per second (4 m/s). Calculate the stream's discharge

A) 15 m3/s B) 40 m3/s C) 80 m3/s D) 150 m3/s

Environmental & Atmospheric Sciences

Conical marine organisms that lived during the Cambrian and were the earliest builders of reeflike

structures:a. protists d. sponges (porifera) b. cyanobacteria e. archaeocyathids c. brachipods

Environmental & Atmospheric Sciences