The survey finds extensive worry about U.S. indebtedness to China, which is seen as eclipsing America on the international stage, signaling the twilight of U.S. dominance and economic underperformance as the new status quo.
It has faced opposition from environmental groups and Alaska Natives who worry that extensive petroleum activities will foul the pristine seas and harm wildlife, including bowhead whales, ice seals, polar bears and walruses.
Generics are cheaper because they don't have to worry about extensive branding and marketing.
Lucas also worries that the extensive powers granted to the president by the constitution may prove too tempting for even the most upstanding of leaders.
Trump's extensive financial portfolio has raised worries that he will find it difficult to separate personal business from the national interest.
Like David, Joe is in recovery, but worries that his extensive losses will prevent him from ever getting a mortgage with his girlfriend: "I'm wanting to push on with my life, but that debt is always there, like a ball and chain attached to me".
Sometimes they're worried about the extensive construction required to plant a tree in a patch of concrete.
University officials said they were not worried that, with extensive course materials posted online, students would be less likely to come to class.
The capability of these new players to handle existing CD's, DVD videos, DVD-ROM and eventually higher-quality audio and recordable DVD's may save owners of extensive CD collections from the worry of technological obsolescence -- at least until the inevitable appearance of the next new format.
