Choose all the inventions that contributed to U. S. infrastructure during the Industrial Revolution.

1. medical penicillin

2. telegraph

3. electric bulb

4. V2 rocket

5. telephone

6. rail depots

From 1990 to 2008, by what percent did the world’s most developed economies cut their greenhouse gas emissions?

Which nation most to bail out greece’s failing economy?

“well,” he says, “there’s excuse for picks and letting-on, in a case like this; if it warn’t so, i wouldn’t approve of it, nor i wouldn’t stand by and see the rules broke—because right is right, and wrong is wrong, and a body ain’t got no business doing wrong when he ain’t ignorant and knows better. it might answer for you to dig jim out with a pick, without any letting-on, because you don’t know no better; but it wouldn’t for me, because i do know better.” the meaning in this excerpt is