Sentence examples for source is unclear from inspiring English sources
The origin of this deep strontium source is unclear but soil mineralogy suggests an allochthonous origin.
One called "Sovereign" is several slowly undulating waves of grainy, high-mid-range noise whose source is unclear.
The outbreak appears to be centered on security staff members lodging near Olympic sites, but the precise source is unclear.
But the source is unclear for the claim that solar is saving "tens of millions of dollars a year" on energy bills for Arizona and New York residents.
"Legitimate companies don't hide behind vague promises or e-mails or Web sites where the source is unclear," said Ken Dreifach, chief of the Internet bureau of the New York State attorney general's office.
Deficiency of biotin is rare, and this may be due in part to synthesis of the vitamin by bacteria in the colon, although the importance of this source is unclear.
Another agency official said that the site continued to emit radiation but that the source was unclear.
The Trump administration does propose a Federal Emergency Response Fund for disease outbreaks, but details about the fund's size and source are unclear.
In other violence, a second Israeli soldier was killed by gunfire and a Palestinian died in an explosion whose source was unclear.
On Thursday, after shots were fired — the source was unclear — the army moved to separate the combatants, but the violence continued.
