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A student worked on her statistics project in the library and found a reference book that contained the median family incomes for all 50 states. On her project, she would report her data as being
Collected __________.
Nutrients
Substances that provide nourishment essential for the growth and maintenance of life.
Intertidal Zone
The coastal area that is exposed to air at low tide and submerged at high tide, hosting a diverse array of adapted organisms.
Land Area
The total surface area of the Earth that is covered by land, excluding oceans and other bodies of water.
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