Biology, 30.11.2020 21:40 Naviascales7018
A student made a model of an ecosystem inside a sealed plastic bottle. She placed soil, rocks, water, plants, and animals inside the bottle. How is the model like a natural ecosystem?
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Biology, 22.06.2019 05:50
Is there any species that went extinct in recent years due to natural causes (not caused by human interaction). if so, what caused it?
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Biology, 22.06.2019 06:30
What kind of bond is created by the attraction between atomic particles of opposite charge? ionic bond hydrogen bond covalent bond nuclear bond
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Biology, 22.06.2019 07:00
Which statement best describes how the loudness of the sound affects the high-pressure region created by the sound wave? a. a louder sound has no effect on the pressure created. b. a louder sound means a high-pressure region that is higher. c. a louder sound means a high-pressure region that is not as high.
Answers: 1
Biology, 22.06.2019 09:30
What type of plant is good for a bioassay and where can i buy it? i only have a month.
Answers: 2
A student made a model of an ecosystem inside a sealed plastic bottle. She placed soil, rocks, water...
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