In the gill of a fish, water and blood circulate ____, which ____ transfer efficiency
A) in the same direction; increases
B) in opposite directions; increases
C) in the same direction; decreases
D) in opposite directions; decreases
B
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Consider the biosynthetic pathways by which fatty acids, steroids, carbohydrates and amino acids are synthesized. Which class of compounds has the greatest diversity of pathways?
A) amino acids B) fatty acids C) steroids D) carbohydrates E) All exhibit about the same number of pathways.
What type of map projection would you use if you wanted to preserve shapes?
a. equidistant b. equal area c. compromise d. conformal e. orientation
Forces of weathering are most directly responsible for ________ rocks.
A. metamorphic B. igneous C. sedimentary
The kibbutz, a collectively worked settlement that produces grain, vegetable, and orchard crops by using irrigation, is found in Israel
Indicate whether the statement is true or false