A variety of indicators change color at various pH levels. A properly selected acid-base indicator can be used to visually indicate the approximate pH of a sample. An indicator is usually some weak organic acid or base dye that changes colors at definite pH values.
In United States politics, a government shutdown occurs when Congress and the President fail to pass appropriations legislation funding government operations and agencies. In this case, the current interpretation of the Antideficiency Act requires that the federal government begin a shutdown of the affected activities involving the furlough of non-essential personnel and curtailment of agency activities and services. Since 1976, when the current budget and appropriations process was enacted, t
The previous U.S. federal government shutdown was in 1995â96. The 16-day-long shutdown of October 2013 was the third-longest government shutdown in U.S. history, after the 18-day shutdown in 1978 and the 21-day 1995â96 shutdown. A funding-gap was created when the two chambers of Congress failed to agree to an appropriations continuing resolution.