The principle of _________________________ states that an igneous intrusion or a fault must be younger than the
rock it intrudes or displaces. Fill in the blank(s) with the appropriate word(s).
cross-cutting relationships
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Which of the following statements about landfill processes is false?
A. Open landfills are common near major cities in many developing countries. B. Contaminated leachate can seep from the bottom of landfills. C. Contaminated groundwater is a problem at some landfills. D. Fly ash created in landfills is a useful by-product. E. Older, unlined landfills may have particularly bad water pollution problems.
In the pea and Moon experiment, it is most important that
A. the pea be green. B. the Moon be 100% full. C. light travels in straight lines. D. all of the above
According to "dependency theory" the development and prosperity of the world's core was based on the ________ of the periphery
A) development B) underdevelopment C) backwardness D) traditionalism E) economic prosperity
Atoms and molecules are always
A) moving. B) still, unless they are forming a chemical bond. C) changing. D) appearing and disappearing.