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Biology, 01.12.2020 01:50, steven12372
Sarah performs an experiment to determine the effect of nitrogen on plants. She studies the effect of nitrogen on the growth of the root hair, height of the plants, and nodule formatoon. Which factor is a independent variable?
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Biology, 21.06.2019 16:00, farhadi2
The health, management and conservation of biodiversity, is a challenge facing ecosystems worldwide. the major factors that affect the health and function of the great barrier reef are climate change and pollution. which question investigates the effects of a biotic factor on the reef ecosystem?
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Biology, 22.06.2019 05:00, jessewilkerson2312
Dna. we have heard that we are a product of our dna. but where is it? how do we "get" our dna? it is passed to us, from our parents, but in what form? several vocabulary words associated with inheritance are used interchangeably and sometimes, incorrectly. let's see if you can clear this up for someone just learning about inheritance and cell structure.
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Sarah performs an experiment to determine the effect of nitrogen on plants. She studies the effect o...
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