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Where is the gas-exchange surface in the bird respiratory system, i. e. where does oxygen enter the blood and carbon dioxide leave the blood
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Control of the body is accomplished by which of the following body systems? nervous system and circulatory system endocrine and repertory system circulatory and respiratory systems nervous system and endocrine systems
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What is the next step in muscle contraction after the actin changes shape? (apex)
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Biology, 22.06.2019 16:40
Aremote community desperately needs more electrical energy. it is located in an area with the following characteristics: average wind speed of 15 – 20 km/hr some medium-sized rivers with slow-moving currents few coal deposits some oil exploration being conducted within 400 miles based on the above information, which energy source would be the most economical and safest for the community to pursue? a. fossil fuel b. hydroelectric c. nuclear d. wind
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Where is the gas-exchange surface in the bird respiratory system, i. e. where does oxygen enter the...
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