But the element of doubt was necessary to meet British advertising guidelines, said Tim Bleakley, managing director for sales and marketing at CBS Outdoor in London, which handles advertising for the bus system.
I support investment in education and ed-tech -- public and private investment, both of which, no doubt, were necessary in the development of space race technologies.
In considering these doubts, it is necessary to appreciate the complexity of these formalization problems, and the preliminary and tentative status of the research program.
Even if the lizards have venom-like proteins in their mouths, Schwenk argues, they may be using them for a different function, and he doubts venom is necessary to explain the effect of a Komodo dragon bite, arguing that shock and blood loss are the primary factors.
Few doubt that change is necessary: today's rules which require the prosecution to prove that a single "controlling mind" is to blame for a death make it hard enough to convict small firms and virtually impossible to convict big ones, where responsibility is spread among managers.
No doubt, industrial establishment is necessary for growth, but it always associated with a cost paid in terms of pollution (air, water, soil).
At present there is no doubt that it is necessary to construct so-called "site and region-specific" design input ground motions reflecting influence from different magnitude events at different distances that may occur during a specified time period.
At present, there is no doubt that it is necessary to construct so-called "Site & Region-specific" Building Code provisions reflecting the influence of different magnitude events at different distances that may occur during the life time of the construction, as well as the variety of local ground conditions.
Dr. Schwenk also doubts that venom is necessary to explain the effect of a Komodo dragon bite.
But this too is controversial; at any rate, the sufficiency objection by itself provides no reason for doubting that supervenience is necessary.
