A state in the central US; population 4,939,456 (est. 2008); capital, Denver. Colorado extends from the Great Plains in the east to the Rocky Mountains in the west. Part of it was acquired by the Louisiana Purchase in 1803 and the rest ceded by Mexico in 1848. It became the 38th state of the US in 1876..

Piece of paper showing you have paid. mark bill as paid.

Machine (such as a car) used to carry things.

cause, explanation, or justification for action or event. Explanations for why some things occurred or was done. To think and make conclusions in a logical manner.

begin or be reckoned from particular point in time or space.

To come back after being away from somewhere. To occur again.

Section of a business contract or law. bind to undergo training period.

difficulty or problems. To make an effort to do something; bother.

A place where passenger planes land and take off.

on Wednesday. Third day of the week; the day after Tuesday.

using thought or rational judgement. Thoughts behind an idea, opinion or belief. To have an idea, opinion or belief about something.

Being what was wanted or needed. used to greet someone in polite or friendly way. Friendly greeting to someone who has arrived. greet someone arriving in polite or friendly way.

To take or go with someone to a place.

state of being anxious and troubled. Some things that causes trouble or concern. feel or cause to feel anxious or troubled about actual or potential problems.

not able to be found. To be absent.