Plants reacting to light is called phototropism. As plants need light to survive, by growing towards the direction of the light they give themselves the best chance of gettingâ¦ the most light.   Plants can tell the direction of the light because their surface has chemicals that react to light.
By On 11/29/15 at 12:30 PM. Refugees undergo the strictest background checks of any group of people entering the U.S. While some lawmakers have criticized the process for not being strict enough, it can sometimes take longer than two years, and Syrians go through an additional screening. Above, 5-year-old Syrian refugee Leen works on her homework at her new home in Sacramento, California, on November 16.
In lieu of the passport, it is possible to apply to the U.S. government for the Refugee Travel Document. Refugees or Asylee applying for a Refugee Travel Document must attach a copy of the document issued by the Service showing the Refugee or Asylee status and indicating the expiration of such status.here are mainly three types of travel documents Advance Parole, Re-entry Permit and Refugee Travel Documents. Advance Parole Advance Parole is permission to re-enter the U.S. after traveling abroad in order to continue processing an Adjustment of Status application.