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Biology, 22.06.2019 07:40
Astudent wants to test the hypothesis that fertilizer improves the growth rate of grass seeds. to test this hypothesis, the student put the same amount of grass seed in 3 containers with the same type of soil. the student measured the growth at the end of the week. all plants received equal amounts of water and sunlight. if you were asked to graph this data, what would you place on the x-axis? a. fertilizer b. water c. plant growth d. week one
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Biology, 22.06.2019 11:40
Which of the following happened during the precambrian era? the first prokaryotic cells the first eukaryotic cells development of photosynthesis all of the above
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Biology, 22.06.2019 12:30
Is becoming less expensive to screen blood samples for dna certain diseases have genetic basis what is possible ethical concern about the availability of inexpensive dna testing
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Biology, 22.06.2019 15:30
Which environmental change would most likely result in bullfrog offspring that are able to store more water than bullfrogs in previous generations?
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What do the tympanic membranes do for the frog?...
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