Answer: A language family is a collection of languages related through a common ancestral language that existed long before recorded history. ... A language group is a collection of languages within a branch that share a common origin in the relatively recent past and exhibit many similarities in grammar and vocabulary.
Explanation:
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Rubenstein 12e IRM Chapter 5https://fl01000126.schoolwires.net › lib › DomainDOC
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A heavily populated town with a housing shortage is located near one large river. The water in the river is not heavily polluted. The people plant food on fertile farms near the river. There are no vaccinations in the area, and the death rate from certain diseases is very high. Based on this information, the population has many needs.
Water pollution is the pollution of our bodies of water, such as lakes, rivers, seas, the oceans, in addition to groundwater. It occurs when pollution reaches those bodies of water, without treatment. Waste from homes, factories, and different buildings get into the water in our bodies.
Causes of water pollution include discharges from wastewater treatment vegetation, run-off from agricultural fields, sewage and wastewater, dumping, commercial waste, oil pollution, acid rain, international warming, and eutrophicatio.
Learn more about water pollution here:brainly.com/question/1235358
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