Which of the following is found in cephalins?
A) choline
B) ethanolamine
C) inositol
D) none of these
B
Environmental & Atmospheric Sciences
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What is the precautionary approach?
What will be an ideal response?
Environmental & Atmospheric Sciences
What occurs when waves hit an obstacle straight on?
A) Wave refraction B) Wave diffraction C) Wave dispersion D) Wave reflection
Environmental & Atmospheric Sciences
For the past 30 years, the annual death toll from hurricanes in the United States has averaged fewer than 50 persons, mostly in part because of the advanced warning provided by the National Weather Service. Why then did Hurricane Katrina result in over 1,500 deaths?
Environmental & Atmospheric Sciences
In a food chain involving agricultural land, where is the most total energy available?
A) At the second trophic level B) At the top trophic level C) At the bottom trophic level D) All levels have the same total energy available.
Environmental & Atmospheric Sciences