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Biology, 21.06.2019 18:40
The oxidizing agent our bodies use to obtain energy from food is oxygen (from the air). if you breathe 15 times a minute (at rest), taking in and exhaling 0.5 l of air with each breath, what volume of air do you breathe each day? air is 21% oxygen by volume. what volume of oxygen do you breathe each day?
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Biology, 21.06.2019 22:30
Witch type of microscope is used to view very small cell components like proteins and dna?
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Biology, 22.06.2019 05:00
Identify the examples in which sam interacts only with natural resources
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Biology, 22.06.2019 08:10
Ascience research group is testing a new type of plant food. one trial is conducted in a controlled experiment. the data from the trial show that the plant that received the new food grew faster than the control plant. the group announces that the new plant food makes plants grow faster. what is the main weakness in this scientific claim?
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Physics, 16.12.2019 22:31
English, 16.12.2019 22:31
History, 16.12.2019 22:31
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English, 16.12.2019 22:31
Mathematics, 16.12.2019 22:31
Biology, 16.12.2019 22:31
Mathematics, 16.12.2019 22:31
History, 16.12.2019 22:31
Mathematics, 16.12.2019 22:31