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Biology, 21.06.2019 20:00
In addition to seeds, which of the following characteristics are unique to the seed-producing plants? a) sporopollenin b) lignin present in cell walls c) pollen d) use of air currents as a dispersal agent e) megaphylls
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Biology, 21.06.2019 22:00
Which statement best describes the relationship between an allele and a gene? question 1 options: an allele is a variation of a gene that can be expressed as a phenotype. an allele is the part of a gene that attaches to messenger rna molecules. an allele is a segment of a dna molecule that controls replication of a gene.
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Biology, 22.06.2019 10:20
During convection, less dense fluid rises and denser fluid sinks.
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Biology, 22.06.2019 15:00
In the sentence "a mining company will consider the distribution of coal when deciding how to mine the coal," what does the word distribution mean?
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The number of domains kingdoms and classification levels...
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