What is the color code for a hydrant flowing 1500 gpm (5678 lpm) or more?
a. light blue
b. green
c. orange
d. white
Answer: a. light blue
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Which member of the ecological trilogy are desert dwellers who provide livestock products, including live animals, meat, milk, cheeses, hides, and wool?
a. villager b. pastoral nomad c. urbanite d. yeoman farmer e. serf
The soil shown in the photograph below has a reddish tint, which may mean that
A) it has abundant aluminum and/or iron oxides.
B) it contains abundant organic matter.
C) it has been waterlogged at some point.
D) there are salts or other minerals that have been deposited by the evaporation of water.
According to the table, regardless of the hemisphere, during which
season(s) of the year do most tropical cyclones occur? What will be an ideal response?
The primary effect of thermal pollution on aquatic ecosystems is ________
A) lowering the pH of the water B) causing a large increase in plant productivity C) depleting dissolved oxygen D) increased evaporation E) lowering the water table