The longest mountain chain in north america is the chain.
a.

appalachian mountain
b.

laurentian mountain
c.

rocky mountain
d.

pacific

latin america is a region of racial and cultural diversity.  it is a group of countries and dependencies in the americas where romance languages are predominant. the term originated in 19th century france as amérique latine to consider french-speaking territories in the americas along with the larger group of countries where spanish and portuguese languages prevailed.

explanation:

answer: the time zones used to be whatever the local authority wanted them to be. one town might have 6am whenever the sun came up and another town had 6am 10 minutes later.  

the trains had a hard time when their orders said to be at a certain point at 6am.  

6am, but who's 6am.  

the railroads got together and set the time zones more or less along the longitude lines across the country.

explanation:

is there answer chooses?

the united states began searching for a way to reduce oil

-agarvated