What continent is the country of Egypt located

answer; (d) all of the above; 100%

answer; win because bill had a legal right to drink alcohol;

answer; observation and imitation;

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