When life first apeared, the atmosphere has no oxygen. thus, you can expect the first living forms were:
a. photosynthetic, using light to produce oxygen
b. aerobic, using oxygen to obrain energy
c. anaerobic, using inorganic substances for energy and food
d. heterotrophic, using organic substances for food
Answers: 1
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Christopher came down with chicken pox after spending time in his child’s day care. the chicken pox represents what link in the chain of transmission in this scenario?
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Astage in life where you begin to develop more adult-like characteristics is called
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The potential to eradicate preventable diseases in the future depends on other societal factors that influence coordination and deployment of global health resources. for example, 70 confirmed cases of circulating vaccinederived poliovirus type 2 (cvdpv2) were reported syria, which is embroiled in war. where else are similar societal challenges preventing the eradication of polio? uzbekistan. nigeria. pakistan. a and c. b and c.
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Two shoppers bought meat at the supermarket deli. the first shopper bought 3 pounds of meat for $9,87 . the second bought 4 pounds of meat for $16,76. can you tell if both shoppers bought the same kind of meat.
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When life first apeared, the atmosphere has no oxygen. thus, you can expect the first living forms w...
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