While the refuge strategy lessens the chance for the insect pest to overcome the Bt trait, farmers cannot realize the full production benefit of the Bt crop. The next generation of Bt crops with multiple modes of action for insect control were then developed by stacking several classes of Bt genes.
Posted 03 October 2009 - 0816 AM. This may be a number of small questions on fuels..... If i understand, Naval Ships during the World War II time frame ran Bunker Oil.
The USA Navy as of 2008 operated 99. vessels powered by nuclear reactors including 10 nuclear powered aircraft carriers and 71. submarines. It has operated nuclear powered ships for more than 50 years. As of 2001, about. 235 naval reactors had been built at a unit cost of about $100 million for a submarine and $200.