water-borne diseases
What will be an ideal response?
Illnesses caused by microorganisms in untreated or contaminated water.
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What does the replacement-level fertility rate include that is not part of the total fertility rate?
A) Nutrition of the family B) Infant and childhood mortality C) Availability of mates D) Use of birth control
Extensive systems of canals and pipelines have been developed in Libya to extract fossil water and use it for agricultural production or for urban purposes.
a. true b. false
Which of the labels in the map below is characterized by limited richness and biodiversity, other than fishes and reptiles, but with endemic canine-type animals, horses, and raccoons?
A) A
B) B
C) C
D) D
Over time, which of the following has happened to Niagara Falls?
a - they have migrated several kilometers upstream b - they have migrated several kilometers downstream c - they have drained away most of Lake Ontario's water d - they have become rapids e - they have evolved into the world's most famous example of stream capture