In a longitudinal wave, particle displacement is opposite to the direction of wave motion. Question 12. 12. In the Waves lab, you changed _____ to see how it would affect wave speed. (Points : 3) length of string tension of string type of string how hard you plucked the string Question 13. 13.
Six months If you file for an extension on your individual tax return, the IRS will give you six more months to complete the return. The IRS changed the extensions in 2006. There is now only the option for 6-month extensions (it used to be that you would file one extension, and could then file a second one for a total of 6 months).
December 13, 2010 (The Sacramento Bee) How long tax records should be kept and the amount of taxes owed on pension and Social Security income are issues addressed by IRS expert Jesse Weller.QUESTION: How long does the IRS require taxpayers to keep tax records? I hear it ranges from three to 10 years.axpayers must keep records supporting items shown on their federal tax returns as long as needed for administration of tax laws. That means records should be kept until the time period expires to amend a return to claim a refund or tax credit, or when the IRS can assess additional tax.