Which material is primarily a mixture of weathered rock and organic matter?
1) minerals
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Biology, 23.09.2019 16:30, lunarfox270p16yqz
Which material is primarily a mixture of weathered rock and organic matter?
1) minerals
2) soil
3) ocean water
4) seashells
Answers: 2
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How does the author's purpose in this passage differ from an author writing about her personal struggle living with asthma?
Answers: 1
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Which line in the graph above best illustrates an effect of the carbon dioxide level in the blood on breathing rate before, during and after a period of exercise? 1.b,2.c,3.a,4.d
Answers: 1
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