"county governments in texas" are highly centralized. are more effective in urban areas than in rural areas. lack general ordinance authority. depend upon property tax revenues from rural areas.

lack general ordinance authority                      

Explanation:

In United States, a county is political subdivision or an administrative subdivision of the state which includes a geographic region with a specific boundaries and usually have some level of governmental authority. They have larger areas than the cities abut smaller areas than states. They are formed by the State government. A county government has some political authority as laid down by the Constitution of the States but it lacks the general ordinance authority.

answer:

d. because dr. laguardia selected a widely used measure, his study generalizes to has strong external validity. external validity has limited external validity. other applications of this measure.

the widely used measure that he applied to his experiment was the benton facial recognition test. it employed on to football players and as result, only players who suffered brain concussions did not pas this test. and although it has an external validity, it is limited because it isn't general to apply to other population.

my man just wants some puu

explanation: