In the early twentieth century,peple suffered thrugh many wars. When Wrld War Ⅱ was ver,an rganizatin called the United Natins (the UN) was frmed t help cuntries talk abut their prblems instead f fighting. That was in 1945.
defrestatindesertificatinAir pllutinCan yu imagine that this is the air yu will breathe every day? Water pllutinCan yu imagine that this is the water yu will drink every day? What des this symbl mean? Hw t save ur wrld? 同步预习辅导: Q2. What's the meaning f Reduce, Reuse and ...
Pakistan * Correspondence: ramdr@um.edu.my; Tel.: +60-12-3070435 Academic Editor: Yunsick Sung Received: 25 April 2017; Accepted: 27 July 2017; Published: 30 July 2017 Abstract: The traffic sign recognition system is a support system that can be useful to give notification and warning to...