What are the stinging cells present in cnidarians?
a. cnidoblasts
b. spicules
c. amoeboid
d. microvilli
e. spongin
a
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Assume that there is a linear relationship between the number of heating degree-days and fuel consumption. If the number of heating degree-days tripled from one month to the next for a building, we would expect the fuel bill to:
A) triple. B) be one-third as much. C) be half as much. D) double. E) stay the same.
In an Am climate, the m stands for ____________________
Fill in the blank(s) with correct word
Which conventional energy alternative has the highest EROI of any modern energy source?
a. Nuclear power b. Biofuel c. Hydropower d. Natural gas
Aquifers are ________
A) natural ponds and lakes B) the result of transpiration C) underground water reservoirs D) recharge lakes at water quality facilities E) oceans