Which fuel has the shortest span of renewability? a) coal b) nuclear c) oil d) solar

I believe the answer is: Solar

Solar is the type of energy that derived from the heat energy created by the Sun. So, the renewability for solar energy is around 12 hours time frame considering that the sun is up that period. The other options need years before they could be renewed.

an informal structure in a bureaucracy would be something like so-called "office politics". where there's a formal structure set up for the organization, but then an informal subculture as well that has a way of organizing the bureaucracy further. this can be positive because it sets up an added degree of organization, albeit informal, within the bureaucracy.

mammals. mammals of the piedmont region live in several habitats such as wetlands, fields and forests. raccoons live across the state including the piedmont. they've adapted to environmental changes, including the loss of natural habitat.