Which of the following ecosystems has the highest average net primary productivity?
A) Algae beds and coral reefs
B) Estuaries
C) Freshwater swamp and marsh
D) Open Ocean
E) Upwelling zone
C
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The general effects of elevation and latitude are the same on climate and biomes
Indicate whether the statement is true or false
Which of the following was not a legacy of Spanish rule in Latin America?
A. democratic governments B. a geographic system based on mineral exploitation and transportation to a few ports C. large estates engaged in raising livestock D. a rigid class structure
Which type of fold has two limbs dipping in the same direction but by different amounts?
a. symmetric fold b. asymmetric fold c. overturned fold d. recumbent fold
Which of the following is the correct formula for dinitrogen trioxide?
A) O2N3 B) O3N2 C) N2O3 D) N3O2