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The is the main breathing muscle that expands the lungs when it contracts and forces air into the lungs. larynx trachea lungs diaphragm
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Which statements are true of a scientific theory but not a hypothesis
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Biology, 21.06.2019 16:00
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 04:40
The negative impacts of nonnative species generally outweigh the positive impacts
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The is the main breathing muscle that expands the lungs when it contracts and forces air into the l...
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