A man can row at 8 km per hour in still water. If it takes him thrice as long to row upstream, as to row downstream, then find the stream velocity?

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#Question id: 4338

#Unit 3. Fundamental Processes

Altering patterns of gene expression in prokaryotes would most likely serve an organism's survival by __.

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#Question id: 26865

#Unit 10. Ecological Principles

Production efficiencies is greater in

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#Question id: 11317

#Unit 10. Ecological Principles

Which of the following phenomena emphasizes the indirect effects of consumer-resource interactions extended through additional trophic levels of the community?

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#Question id: 18603

#Unit 13. Methods in Biology

If a fair die is rolled 4 times, then what is the probability that there are exactly 2 sixes ?

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#Question id: 28423

#Unit 5. Developmental Biology

Which of the following cells form an upper layer or epiblast cells by remaining at the cell surface, in chick development process?