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Home Q & A Board Science-Related Homework Help Health, Nutrition, and Food Sciences
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Irelandgb Irelandgb
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6 years ago
Although they account for less than ________ of the world's population, industrialized nations contribute roughly ________ of global carbon emissions.
 
  A) 5 : 20
  B) 10 : 40
  C) 20 : 30
  D) 20 : 40


What layer of the atmosphere could be thought of as a parasol shielding the planet from the sun?
 
  A) troposphere
  B) stratosphere
  C) mesosphere
  D) thermosphere


Radiation exposure is measured in units called
 
  A) bars.
  B) rads.
  C) roentgens.
  D) curies.


Scientists can assess chemical exposure in humans through a process called
 
  A) bioaccumulation.
  B) biofeedback.
  C) biomonitoring.
  D) biomagnification.


________ is found in baby bottles, plastic dinnerware, and plastic beverage containers.
 
  A) CO2
  B) VOC
  C) PCB
  D) BPA
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gsx911gsx911
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6 years ago
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Irelandgb Author
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6 years ago
I know you spent a lot of time finding this because I swear it wasn't in my textbook
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