Scientists manipulate DNA by splitting it apart. They separate the DNA into segments with gel electrocophesis. From there, they can change up the chains and patterns in ways they please.
Answer: By splitting it into segments
walk in someone else's shoes
The answer to this question is watershed.
The answer is A.) carbon dioxide, water, oxygen, nitrogen, and hydrogen
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Answer:
Moist walls - gases dissolve in the moisture helping them to pass across the gas exchange surface. Permeable walls - allow gases to pass through. Extensive blood supply - ensuring oxygen rich blood is taken away from the lungs and carbon dioxide rich blood is taken to the lungs.
The word is scientifically termed as Peristalsis.
