Biology, 23.10.2020 21:40 Royalty0703
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Watch this video about the stresses on the body caused by carrying heavy backpacks. Then design an
investigation about the effect of carrying backpacks on students' health using these steps of the scientific method:
• make observations or inferences
• ask questions
• construct hypotheses and make predictions
• test hypotheses
• analyze results
Your investigation can address any question you have about backpacks and student's health that you choose.
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Biology, 21.06.2019 15:30, magicalforlife
Aprocess in green plants that involves the use of carbon dioxide and water in the production of glucose and oxygen using the suns energy
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Which of the following claims does the author support the least
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Biology, 22.06.2019 07:30, china2221
The ancestors of plants that lived in water had plenty of water for the young. angiosperms are a group of land plants that evolved a reproductive trait for living on land. this trait protect young plants by allowing them to grow only when water is present and the conditions for healthy development are right. what trait most likely young angiosperms in this way?
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Watch this video about the stresses on the body caused by carrying h...
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