When pesticide residues are found in such remote areas as the St. Lawrence estuary, which of the following is probably NOT responsible?
A. Bioaccumulation and pesticide persistence
B. Bioaccumulation
C. Pesticide persistence
D. The grasshopper effect
E. All of these could be responsible
Answer: E
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The two most common igneous rocks are basalt and granite. Basalt is commonly found ________ and granite is found ________.
A. on the continents; on the ocean floor B. on the ocean floor; on the continents C. on the ocean floor; on both the ocean floor and on continental land D. on both the ocean floor and continental land; only on the continents
While looking at a cliff, you observe that three visible layers of rocks are tilted about 30 degrees. There are four straight horizontal layers above the tilted layers
Which two principles suggest that the tilted layers are older than the horizontal layers? A) the principle of inclusions and the principle of original horizontality B) the principle of superposition and the principle of inclusions C) the principle of cross-cutting relationships and the principle of superposition D) the principle of original horizontality and the principle of superposition
What group of geologists were the least receptive to the continental drift hypothesis? Why?
What will be an ideal response?
Modern market economies generally do NOT address ________
A) GDP B) aesthetic and cultural value C) cost of production D) market value of goods E) cost-benefit analysis