Why is it useful to classify pesticides by their chemical structure?
A. This is how they are named and the regulations use these names
B. Scientists have done this for years and it would be inefficient to change it now
C. Similar chemical structures often relate to similar toxicological characteristics
D. This is how they are named and looking them up for reference is easier
E. It is easier to keep them organized by type
Answer: C
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Why is one rock melting, while the other is solid at the same depth and temperature?
Please explain what causes one of the rocks to melt and not the other. [Hint: What does the title of one of the graphs suggest has been added to the system?] What will be an ideal response?
Scientists have coined the ____________________ Epoch to describe present day geologic time and recognize the impact humans have on planet Earth
Fill in the blank(s) with correct word
Which of the following is an example of an oceanic-oceanic convergent plate boundary?
A) Aleutian Islands B) East Pacific Rise C) Mendocino Fault D) Red Sea E) San Andreas Fault
The largest earthquakes along western North America are due to subduction beneath the continent. They include ________.
A. the magnitude 8.1 Mexico City event in 1985 which was caused by subduction of the Cocos Plate B. the plates subducting beneath Oregon and Washington which generated a magnitude 9 earthquake on 26 January 1700 C. the magnitude 9.2 Alaska earthquake in 1964 which was due to subduction of the Pacific Plate D. All of these choices are correct.