Theo anh/chị, giải pháp nào để nâng cao giá trị 90% nông sản xuất khẩu ở Việt Nam bằng và cao hơn các sản phẩm cùng loại của nhiều nước khác

ever since wwii tmthey always did hated each other.

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.

i would say b. research typically uses a variety of sources