Any mixture that contains more than one phase of matter is a heterogeneous mixture. Sometimes this can be tricky, because a change of conditions can alter a mixture. For example, an unopened soda in a bottle has a uniform composition and is a homogeneous mixture. Once you open the bottle, bubbles appear in the liquid.
Pearland is located in northern Brazoria County at 29Â°33â²16â³N 95Â°17â²45â³W / 29.55444Â°N 95.29583Â°W / 29.55444; -95.29583 (29.554349, â95.295959) south of Houston. Portions of the city extend north into Harris County, and a smaller portion extends west into Fort Bend County.
Wilmer is a city in Dallas County, Texas, United States. The population was 3,682 at the 2010 census. It is part of the Dallas â Fort Worth â Arlington Metropolitan Statistical Area. Union Pacific 's Dallas Intermodal Terminal is located partly in the city of Wilmer and partly in the city of Hutchins.he settlement was originally known as Prairie Valley when the Houston and Texas Central Railroad arrived in 1872. In 1884, the post office in Prairie Valley was renamed Wilmer, after A.J. Wilmer, a conductor on the Houston and Texas Central line.