Earthquake-induced ground motions cause buildings to sway at certain periods. In general, the taller the structure, the ________ the period.
A. period does not depend on building height
B. shorter
C. longer
Answer: C
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Although your sister is not a scientist, she says that she uses scientific techniques in her everyday life. You do not believe her but she insists it is true. Which of the following examples could she use to best persuade you?
A. When she cooks, she measures ingredients and puts them together to form something else (e.g., a cake) B. When she drives in her car, she hypothesizes about things (e.g., when the red light will turn green) C. She buys a brand of toothpaste based on statistical data (four out of five dentists recommend it) D. She put some tomatoes in the sun and some in the shade to see if the sun causes them to ripen faster E. All of these are examples of using scientific techniques in her everyday life
The degradation of land due to human action such as excessive crop planting, deforestation, and land grazing is
A) slash and burn agriculture. B) desertification. C) land desiccation. D) commercial farming. E) plantation farming.
Extratropical cyclones that strike the northeastern coast, especially New England and Nova Scotia, are known as _______________
Fill in the blank with correct word.
A nerve cell membrane becomes depolarized as a result of
What will be an ideal response?