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Biology, 21.06.2019 17:00
How many trophic levels are there in the following food chain? phytoplankton - shrimp - perch - pike - osprey
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Biology, 21.06.2019 19:30
Astudent observes a star from two positions of earth in its orbit, in summer and winter, and measures the change in the position of the star. which of these can be best calculated by this method?
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Biology, 22.06.2019 09:30
Which statement names a physical property of wood? wood does not rustwood can burnwood can rotwood is softer than coal
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Biology, 22.06.2019 18:50
The scientific method is limited to investigating physical phenomena that are which of the following? select all that apply. observable repeatable falsifiable unique measurable
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English, 05.05.2020 17:32
Mathematics, 05.05.2020 17:32
English, 05.05.2020 17:32
Mathematics, 05.05.2020 17:32
Mathematics, 05.05.2020 17:32
English, 05.05.2020 17:32
History, 05.05.2020 17:32
Mathematics, 05.05.2020 17:32