101.   The disappearing forests in Michoacan, which is caused by illegal logging and removes natural protections for the monarchs, exacerbated the problem, Creel said.

102.   The first stuff to go is usually the hard drive or the power supply, and constant use or indiscriminate jolts of juice exacerbate the problem.

103.   The key is to avoid battles, which will only exacerbate the problem.

104.   The migrants have to be careful to avoid moves that might exacerbate back problems.

105.   The medications may exacerbate sleep problems, the researchers said.

106.   The narrow opening to the bays exacerbates bacteria problems because it is difficult for waste to be flushed out by the tide.

107.   The problem has been exacerbated by a huge increase in demand for corks in recent years and a consequent speedup in their production.

108.   The problem is exacerbated by states that continue to increase forms of betting, including legalizing casino gambling and lotteries.

109.   The policy problem is exacerbated because crime is local, with enormous variations in crime rates from city to city, and even from block to block.

110.   The problem has been exacerbated by falls in prices of such major export items as semiconductors.