The principle of faunal succession is based on the fact that fossils ____
a. remain the same over time
b. are confined to distinct geographic regions
c. are widespread
d. succeed one another through time in an order
e. are found in all rock types
d
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Which of the following are examples of commercial energy?
A. extracting oil, mining coal, and gathering fuelwood B. using a solar cooker, burning natural gas, and mining coal C. burning natural gas, gathering fuelwood, and instilling a windmill D. extracting oil, mining coal, and burning natural gas E. installing a windmill, extracting oil, and mining coal
Which situations produce the largest pressure gradients?
A. Frontal systems B. Tornadoes C. Hurricanes
Which of the following is not among the seven sovereign states that emerged from the dissolution of Yugoslavia?
A) Crimea B) Croatia C) Bosnia and Herzegovina D) Macedonia E) Serbia
Which plankton are considered microplankton?
a. Silicoflagellates b. Dinoflagellates c. Coccolithophores d. Cyanobacteria