Atraffic sign along an ohio highway warns motorists that a bridge freezes before the road surface. why does the bridge surface freeze first?

Match these milestones in communication history with their correct dates. 1. telegraph 2. telephone 3. radio 4. computer 5. television 6. computer networking 7. internet

When analyzing the election of 1876, what conclusion can be drawn? a.a majority of northerners wanted to enforce reconstruction policies more stringently.b.if tilden had won the electoral votes from louisiana, florida, or south carolina, he would have been elected president.c.the republican party had increased its support in the south.d.rutherford hayes did poorly in the western states.e.the republican party did a good job protecting the voting rights of african-americans in mississippi.

The economy of the united states is best described as