Question

There is this paper that my teacher gave me and its sooooooo confusing.The directions say:change the word at the bottom of each ladder to the word at the top.Change one letter at a time.Rules:1.If the letter is to the right of the step,remove the word and put another letter in its place.2.If the letter is to the left.add it to the word after you remove the letter that is in its place.

Answer 1

Like any of these:

http://en.wikipedia.org/wiki/Word_ladder

http://www.enchantedlearning.com/wordladder/

http://www.dltk-kids.com/type/word_ladders.htm

Answer 2

These burned large amounts of oil & coal in the late 1800s.