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The only place I see fault lines mentioned is the first sentence: "To study centuries-old earthquakes...seismologists usually dig trenches along visible fault lines..." It only says that seismologists USUALLY dig trenches on visible fault lines but no where in that sentence does it say that that has to be the case. I think they could have been more clear when writing it. Alan had it correct in his reason for eliminating answer choice (E) - it simply goes too far.

On the other hand, the sentence that relates to (E) is that 50-54 where it says "...using lichenometry requires careful site selection..." etc. Shouldn't that indicate that any situation that doesn't meet that requirement limits the usefulness of lichenometry? We know that those affects listed in the final paragraph have to be factored in, but we cannot say that lichenometry's usefullness would be of limited to areas where those affects do not occur.

The reason why answer choice (B) is supported is that radiocarbon dating works by dating organic matter - which is described in the first paragraph. for Lichenometry we know it is best used for earthquakes that occurred within the last 500 years so 400 years leaves some room for this answer to be wrong.

It simply is a way of dating an event that we know of. Moreover, We don't know when it is best to use radiocarbon dating. last sentence refutes this thought because it says you should factor conditions that promote growth(so the accelerate part of answer choice E) and then last sentence also says minimize the influence of disturbances that disturb the growth(slow it down)so this choice is contradictory to the are left with B which can be proven from the 1st paragraph.

We’ve written before about Andrew Snelling — most recently Plate Tectonics and the Flood.

This chapter describes the following: (1) lichen growth rates and longevity, (2) methods of estimating lichen age, (3) the methodology of lichenometry and (4) applications of lichenometry.No collagen was detected and only bone bio-apatite was RC dated.Women who experience intimate partner violence and reproductive coercion often experience barriers to family planning services and are at risk of experiencing unintended pregnancies.Though other scientists with similar requests have been granted permits, Dr.Snelling’s permit has been denied due to his religious beliefs.Key Words: Radiocarbon dating, dinosaur, bone collagen, organic carbon, bone bio-apatite, fossil wood, amber, megafauna Introduction Bone collagen and soft tissue were recently reported as having been discovered in a Tyrannosaurus dinosaur femur bone as well as other fossil bones from the Cretaceous period of the geologic column by Mary H. The RC ages for extracted bone collagen for Smilodon femurs ranged from 12,650 ±160 to 28,000 ±1400 RC years BP (Before the Present). Libby, the inventor of the radiocarbon dating method, "There is no known natural mechanism by which collagen may be altered to yield a false age." It is common practice to determine the age of bones by radiocarbon (RC) dating of extracted bone collagen but not of dinosaurs because they are assumed to have become extinct 65 million years BP and, therefore, too old for RC dating.


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