Sentence examples for internal source of from inspiring English sources

"The fact is we need energy in America and shale is a strong internal source of it.

But the fact that the oxidizing bacteria also have an internal source of sulfide from their symbionts means that they are not dependent on an external supply.

Huxley had initial difficulty with natural selection itself and opted for an internal source of variation that could produce new species at a stroke.

Insects that feed solely on some restricted diet (e.g., sterile blood, plant juices, refined flour) have special cells termed mycetocytes that harbour symbiotic microorganisms; these organisms, transmitted through the egg to the next generation, benefit their host by furnishing it with an internal source of vitamins and perhaps other essential nutrients.

With the discovery of radioactivity and the recognition that radioactive isotopes within the planet provide a continuing internal source of heat, it became clear that Thomson's conclusion that Earth was less than 100 million years old was incorrect, but his argument that Earth suffers an irreversible loss of energy remains valid.

The central temperature is estimated to be close to 25,000 K (44,500 °F, 24,700 °C), to be consistent with an internal source of heat that allows Jupiter to radiate about twice as much energy as it receives from the Sun.

So deprived are its people of both external and internal sources of information that the regime has been able to assert control.

But America and Britain hope to export their way out of trouble, and emerging Asia is slowly shifting towards internal sources of demand.

Countries that have relied on exports to fuel their growth need to shift to internal sources of spending, with all the associated headaches for monetary and fiscal policy.

Countries that have leant on exporting cheap goods to the rich world need instead to turn to internal sources of spending.

If the growth rate exceeds 10 percent a year, asset requirements are likely to exceed internal sources of funds, so plans must be made to finance them by issuing securities.