According to the data, reserves of coal declined over time and then rebounded about a decade ago at a level sufficient to meet world demand for the next 100 years.
These parables are used to highlight how the market efficiently allocates resources without any central control, but they also show that all humanity's progress comes through specialization and exchange and that we can no longer be self-sufficient, at an individual level.
This depth and expertise must be sufficient to enable the student to appreciate the complexities and issues that are central to the minor, and to perform at a level sufficient to solve realistic problems and/or to make a contribution to the field.
The cells also expressed LckGFP at a level sufficient for precise morphological tracing.
A simpler and better solution would be a universal refundable tax credit, set at a level sufficient to ensure that all incomes exceed the poverty line.
In their view, the rate should be set at a level sufficient to allow workers to survive and say £9.15 per hour in London is perfectly adequate.
Their level of persistence has also been at a level sufficient for controlling corn rootworm larvae when the population rebounds from the wet years during the hatching period.
Representation of supply chains at a level sufficient to capture the essential system interactions requires a high-level architecture that combines simulation (SIM) and optimization (OPT) techniques.
The use of fine grids for the first case allowed for the details of the flow to be revealed at a level sufficient for engineering analysis.
In this way, ecosystem resilience may be maintained at a level sufficient to preserve ecosystem functioning and ecosystem services in the event of unexpected large-scale environmental disturbances.
