The idea that sediments accumulate in horizontal or nearly horizontal layers is known as the ____________________
Fill in the blank(s) with correct word
principle of original horizontality
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In the hierarchical system of classification, a family can be defined as ________
A) an overall category containing organisms that share fundamental structures and functions B) a major subdivision of a phylum or a division containing one or more orders C) a major subdivision of an order containing one or more genera D) a group of organisms that are very closely related to one another E) a group of individuals that are able to interbreed with one another
Suspended microscopic droplets and solid particles in the atmosphere that can reflect incoming sunlight are called ____.
A. aerosols B. greenhouse gases C. CFCs D. photochemicals E. smog particles
Which of the following is NOT true? Compared to U.S. cities, European cities
A) are more compact. B) have lower skylines. C) usually have central squares and marketplaces. D) have lower population densities. E) are more socioeconomically stable
Tidal currents in an estuary are primarily responsible for mixing.
Answer the following statement true (T) or false (F)