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.
When You Are Eligible for a Refugee Travel Document. You can apply for a refugee travel document if you are physically present in the U.S., and you are either: 1  a refugee or an asylee, or. 2  an LPR if you got your green card because you were an asylee or a refugee.3  In this circumstance, you may also apply for this document while you are outside the United States.n order to apply for a refugee travel document, you must file Form I-131, Application for Travel Document with U.S. Citizenship and Immigration Services (USCIS).