<?xml version="1.0" encoding="UTF-8"?><oembed><type>video</type><version>1.0</version><html>&lt;iframe src=&quot;https://www.loom.com/embed/3c79c230b8734a198f0dcdcb307319c6&quot; frameborder=&quot;0&quot; width=&quot;1086&quot; height=&quot;814&quot; webkitallowfullscreen mozallowfullscreen allowfullscreen&gt;&lt;/iframe&gt;</html><height>814</height><width>1086</width><provider_name>Loom</provider_name><provider_url>https://www.loom.com</provider_url><thumbnail_height>814</thumbnail_height><thumbnail_width>1086</thumbnail_width><thumbnail_url>https://cdn.loom.com/sessions/thumbnails/3c79c230b8734a198f0dcdcb307319c6-00001.jpg</thumbnail_url><duration>100</duration><title>SAT Jan 2018_S1_Q47</title><description>p:  According to the passage, which statement best explains why the Venus flytrap requires a second trigger hair to be touched within a short amount of time in order for its trap to close? 
a:  The second trigger produces an electrical charge that reverses the charge produced by the first trigger. ;
 The second trigger stabilizes the surge of calcium ions created by the first trigger. ;
 The second trigger prompts the calcium channels to open. ;
 The second trigger provides a necessary supplement to the calcium concentration released by the first trigger. ;</description></oembed>