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Which process helps gas exchange to occur? A. transfusion B. condensation C. evaporation D. diffusion
Diffusion helps gas exchange to occur.
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Asked 3/4/2014 3:41:50 PM
Updated 7/4/2018 6:47:40 PM
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Diffusion helps gas exchange to occur.
Added 7/4/2018 6:47:40 PM
This answer has been confirmed as correct and helpful.
Confirmed by yumdrea [7/7/2018 10:04:41 AM]
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A single population is made of A. multiple organisms. B. multiple species. C. multiple communities. D. multiple biomes.
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Updated 7/26/2018 2:03:45 AM
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A single population is made of: multiple organisms.
Added 7/26/2018 2:03:45 AM
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What happens to a spermatid to change it into a sperm cell? A. Meiosis occurs, making the sperm cell haploid. B. The nuclei of two polar bodies fuse, making a diploid cell. C. A tail is added, making the sperm a motile cell. D. A membrane hardens, making the sperm a nonmotile cell.
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Updated 3/5/2014 5:15:48 PM
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What happens to a spermatid to change it into a sperm cell: C. A tail is added, making the sperm a motile cell.
Added 3/5/2014 5:15:48 PM
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What do goblet cells and cilia have in common? A. Both moisten the air. B. Both filter the air. C. Both secrete mucus. D. Both diffuse oxygen.
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Updated 5/31/2016 2:42:00 AM
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Goblet cells and cilia : both secrete mucus.

Added 5/31/2016 2:42:00 AM
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Confirmed by Andrew. [5/31/2016 2:54:47 AM]
To become a personal trainer, a bachelor's degree is usually needed. TRUE or FALSE.
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Updated 1/23/2017 9:31:36 AM
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To become a personal trainer, a bachelor's degree is usually needed. FALSE.
Added 1/23/2017 5:31:12 AM
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Confirmed by jeifunk [1/23/2017 9:31:37 AM]
Wolves are predators of deer. What is most likely to happen to the deer population if the wolf population increased? A. stay the same B. increase C. decrease D. become extinct
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Updated 12/1/2015 9:59:29 AM
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Wolves are predators of deer.If the wolf population increased is the most likely that the deer population to become extinct.

Added 12/1/2015 9:59:29 AM
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Confirmed by selymi [1/13/2016 3:34:16 AM]
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