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Casey Phillips
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Which was the original source of atmospheric oxygen? Question 4 options: autotrophs cooling of Earth's crust formation of the oceans volcanoes
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Jamir Hensley
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57:23

a solution is a solution with as much dissolved solute as it can hold at a given temperature:
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Aspen Landry
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Describe the water vascular system
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Johan Bautista
BiologyBiology
Why do you think Linnaeus did not include classification kingdoms for categories of archaea and bacteria?
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Guest
BiologyBiology
The nursing student is selecting a blood pressure cuff prior to obtaining a patient's blood pressure. what cuff width is appropriate to obtain an accurate blood pressure reading?
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Reagan Huffman
BiologyBiology
The layer of skin that is sometimes referred to as true skin is the:
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Phoenix Frazier
BiologyBiology
Which one of the following food contaminations would be suspected if the end of a can of tomatoes had begun to swell
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Guest
BiologyBiology
In a test cross, peas of an unknown genotype are crossed withpeas of a known genotype. In this example, smooth peas are theunknown and wrinkled peas are the known (rr). If half of theoffspring from that cross are smooth and half are wrinkled, what isthe genotype of the unknown plant?

A. Incomplete dominance

B. Homozygous dominant: RR

C. Homozygous recessive: rr

D. Heterozygous: Rr

E. The genotype cannot be determined from the informationgiven.
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Maggie
BiologyBiology
What variable influence the process of fermentation? A. Like aerobic cellular respiration, fermentation produces ATP molecules. B. Fermentation requires less oxygen then aerobic cellular respiration. C. The independent variable of the experiment was the type of sugar used to produce ATP. D. According to the experimental data, the preferred fuel choice is glucose. E. The rate of fermentation is greater when the fuel source is a disaccharide. F. The greater the amount of sugar used, the greater the rate of fermentation.
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Chi Chi
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Precambrian rocks contain fossils of ancient fish. true or false?
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Noah Barnes
BiologyBiology
Which of the following units is used in the household measurement system?
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Salvador
BiologyBiology
What is used to determine phylogeny?

mutations

DNA

evolutionary history

organisms on earth
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Guest
BiologyBiology
Why were Archaea and Bacteria grouped together by biologists until recently?
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Deandre Vaughan
BiologyBiology
The physical appearance physical appearance of trait is called the of trait is called the
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Melissa Mcdowell
BiologyBiology
Which of the following is not a characteristic of enzymes?
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