Which of these is a FACT about the Coastal Plains region of Texas? A it is the highest in elevation

B it is the smallest and farthest west

C it is the largest and most populated

D it's biggest city is Amarillo

C it is the largest and most populated

Explanation:

The Coastal Plains region of Texas is the region along the gulf coast. These Coastal Plains are bordered by water on its eastern side. The major cities of this region are Houston, Dallas, Galveston, Corpus Christi, Brownsville, Leredo, Beaumont, Austin the capitol of Texas and San Antonio. These listed areas are actually some of the most populated areas in Texas.

p.s I live in Texas so this question was easy

HOPE THIS HELPS :)

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first, the romans stayed isolated because they had to defend their own territories from neighboring cities that were harassing them, like the etruscans. second, once the romans managed to defeat their neighbors, and started to expand their territory, they started to build roads and bridges. finally, now that the romans have covered their territory with roads functioning as highways, they could mobilize their legions faster to assemble larger military units in a specific place

this null effect is caused by a weak manipulation and ineffective internal validity. in a scientific study, as the one dr. morimoto is trying to perfom, internal validity refers to the confidence placed in the cause-effect relationship and to how well an experiment is done and able to eliminate confounding variables.