Only about ________ percent of energy at each trophic level is passed to the next trophic level (e.g. from autotroph to primary consumer)
A) 5% B) 10% C) 15% D) 20% E) 25%
B
Environmental & Atmospheric Sciences
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As shown in the Discussion Starter of this chapter, 23% of the 9.6 quadrillion Btu of renewable energy in 2014 came from wood and wood by-products and waste (e.g., sawdust and scraps). Estimate the number of cords of wood that would have the equivalent energy content. State your assumptions.
What will be an ideal response?
Environmental & Atmospheric Sciences
A marine transgression is a period of lower sea level. Indicate whether the statement is true or false
Environmental & Atmospheric Sciences
Water generally causes less erosion than does the wind in most deserts.
a. true b. false
Environmental & Atmospheric Sciences
The most prominent movement in the upper-level westerly geostrophic wind flows are the
A) katabatic waves. B) jet streams. C) anticyclones. D) cyclones.
Environmental & Atmospheric Sciences