What region of Texas has many cities where Spanish is the primary language, Catholicism is the dominant religion, and international trade is an increasingly important part of the economy?

answer; mission;

answer; /// the above statement is (true);

it might look like that the ideal way to research the health effects of trans fats is through a controlled experimental feeding trial. but these kinds of trial have several important limitations that the researcher must look into:

short in duration (this factor usually checks up on the intermediary risk factors rather than the actual outcomes of the disease)

limited dietary changes

only makes use of healthy participants