SlowTortoise wrote:
I eliminated (B) because the argument doesn't mention that gaseous substances given off the the human skin/arm are the ONLY possible way to attract mosquitoes. The conclusion mentions that there is an ancillary factor that draws mosquitoes to the human body.
Even if mosquitoes are attracted to human body by other gaseous substances, they could still be attracted to the human body by body heat.
Could an expert please give his or her POV on B, D, andE.
Here's an explanation for thequestion.
Human skin gives off an array of gaseous substances, including carbon dioxide and lactic acid, both of which attract mosquitoes. However, neither of these two substances, whether alone or combined with one another, will attract mosquitoes as much as a bare human arm will, even in complete darkness, where a mosquito has no visual cues. Therefore, some other gaseous substance given off by human skin also attractsmosquitoes.
The conclusion of the argument is thefollowing:
- [color=#0000ff] some other gaseous substance
...
Statistics : Posted by MartyMurray • on 16 Jul 2018, 23:24 • Replies 6 • Views 4000
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