How are a single-cell thunderstorm and a multiple-cell thunderstorm different? Answers should include the following ideas: *single-cell thunderstorm - one updraft system (cell); goes through cumulus, mature, and dissipating stages; often lasts less than an hour *multiple-cell thunderstorm - multiple updraft systems (cell); each cell goes through the cumulus, mature and dissipating stages, with new cells forming as old cells die; may last several hours What type of hygrometer measures humidity using the cooling effect of evaporating water?
Portfolio (finance) In finance, a portfolio is a collection of investments held by an investment company, hedge fund, financial institution or individual.
United States Treasury Securities are government debt instruments issued by the United States Department of the Treasury to finance the national debt of the United States. Treasury securities are often referred to simply as Treasuries. Since 2012 the management of government debt has been arranged by the Bureau of the Fiscal Service, succeeding the Bureau of the Public Debt.