anonymous
  • anonymous
Which occurs as part of gas exchange? oxygen is exhaled carbon dioxide is inhaled carbon dioxide diffuses from the trachea to blood in capillaries oxygen diffuses from alveolar sacs to blood in capillaries
Biology
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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only_hanaaa
  • only_hanaaa
it is the last one, "oxygen diffuses from alveolar sacs to blood in capillaries". because the 1st and 2nd ones don't really make sense, and the 3rd one isn't true, cause if it was we wouldn't need any lungs, so your best answer is the 4th one
anonymous
  • anonymous
okay thanks
anonymous
  • anonymous
oxygen diffuses from alveolar sacs to blood in capillaries

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anonymous
  • anonymous
can you help me with a few more
only_hanaaa
  • only_hanaaa
sure
anonymous
  • anonymous
yes
anonymous
  • anonymous
During a trip to the Galapagos Islands, which observation led Charles Darwin to suspect that organisms change over time? Island finches were able to breed with mainland species. Island finches resembled mainland finches, but were not the same species. Island finches resembled extinct species from other islands around the world. Island finches did not have beaks of the same size and shape.
Melodious
  • Melodious
the last option
only_hanaaa
  • only_hanaaa
the last one cause in Darwin's journal he talks about and show the different types of finches and there different types of beaks
Melodious
  • Melodious
its there in class 7 science book too.
anonymous
  • anonymous
Which is an effect of a compromised immune system? decreased antibody production improved ability to fight disease increased lymphocyte production reduction in pathogens entering the body
Melodious
  • Melodious
compromised?
Melodious
  • Melodious
i didnt get it properly.......
anonymous
  • anonymous
This passage is a narrative written in verse that tells the story of a larger-than-life hero in a grand, elevated style. Based on this information, which genre does The Aenid belong to? drama epic poetry prose historical fiction
anonymous
  • anonymous
The answer is B Epic poetry.
only_hanaaa
  • only_hanaaa
the first one, a decreased in anti-bodies is a sign of a comprised immune-system @RosePetal_

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