If a sound increases 5 db, the sound becomes times louder

The congress shall have power to lay and collect taxes, duties, imposts and excises, to pay the debts and provide for the common defence and general welfare of the united states . .; to borrow money on the credit of the united states; to regulate commerce with foreign nations, and among the several states, and with the indian tribes. —constitution of the united states, article i, section 8 which of these are expressed powers granted by this part of article i, section 8? check all that apply. lay and collect taxes and duties pay debts regulate american indian groups regulate commerce within states borrow money regulate commerce with foreign nations

Florida benefited greatly from roosevelt’s civilian conservation corps (ccc) in the 1930s. which of these was of least benefit to the state? a) workers planted millions of trees. b) workers received food and clothing. c) the government created state parks. d) new roads facilitated travel out west.

Which of the following inventions most directly allowed ancient farmers to produce a surplus ?