At the beginning of the introduction, riis provides an explanation for the title of his book - “one half of the world does not know how the other half lives”. what explanation for this situation does he provide? is his explanation valid today? for the second question, think in terms of modern attitudes and beliefs about social welfare policies designed to the poor and public sentiment towards those who receive these benefits.

What effect did the lawpassed by parlament have on the .

Two police officers stopped a car for a minor traffic violation. while one of the officers dealt with the driver and the traffic violation, the other officer talked with the passenger. seeking to question the passenger about gang involvement, but lacking reasonable suspicions of criminal activity, the officer ordered the passenger out of the car. as the passenger exited the car, the officer saw a bulge in the passenger's coat which the officer suspected might be a gun. upon patting down the passenger, the officer felt the handle of a revolver and removed the gun. the passenger, who was a convicted felon, was charged with the possession of a gun by a prohibited possessor. prior to trial, the defendant sought to suppress the gun as evidence, contending that its seizure was unconstitutional. should the court suppress the gun as evidence? ayes, because, since the car had been stopped for a traffic violation, the officer could not order the passenger, who had not committed the violation, to exit the car. byes, because, since the officer lacked reasonable suspicion that the passenger was engaged in criminal activity, the officer could not pat down the passenger. cno, because a valid traffic stop gives an officer the right to pat down a passenger. dno, because the gun was discovered as a consequence of a valid terry stop and frisk.

If a swimmer is traveling at a constant speed of 0.85 m/s, how long would it take to swim the length of a 50m olympic sized pool?