Answer:
When water vapor comes in contact with a cold window in winter, it forms a solid deposit on the window called frost. Deposition is the process of a substance changing from a gas or vapor to a solid without first becoming a liquid.
Like Romeo and Juliet...sadly :/
it was to increase travel from east to west for those who wanted to escape the Dust Bowl. it runs from Chicago to Los Angeles & was a path to a Western Promise.
A clause that modifies a verb is an Adverb Clause.