During extension in divergent plate boundaries a rift valley forms as a central _____.
What will be an ideal response?
Graben
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The most common use of bioremediation has been to assist in the cleanup of ________
A) PCBs B) heavy metal contamination sites C) herbicide and pesticide over-application D) non-biodegradable chemicals E) oil spills
Judge the following sentence according to the criteria given below: Water is the ideal medium to have within our bodies BECAUSE it facilitates chemical reactions
A) The assertion and the reason are both correct, and the reason is valid. B) The assertion and the reason are both correct, but the reason is invalid. C) The assertion is correct, but the reason is incorrect. D) The assertion is incorrect, but the reason is correct. E) Both the assertion and the reason are incorrect.
Of the choices below, which two plates are growing in size, and which plate is shrinking in size?
A. The Philippine plate and the Antarctic plate are growing in size, whereas the Pacific plate is shrinking in size. B. The Pacific plate and the Antarctic plate are growing in size, whereas the African plate is shrinking in size. C. The African plate and the Antarctic plate are growing in size, whereas the Pacific Plate is shrinking in size. D. The Philippine plate and the Antarctic plate are growing in size, whereas the Nazca plate is shrinking in size. E. The African plate and the Philippine plate are growing in size, whereas the Nazca plate is shrinking in size
Microtechnology began
A. about 60 years ago with the invention of solid state transistors. B. with the development of micron chemistry in the early 1800s. C. at the close of World War II. D. in the 1990s with the use of computers.