What do traditional scientists accept as the age of the Grand Canyon, and what new age is being proposed?

1) good with knives

2) good at manipulating

3) have lots of wisdom

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.

south, because if you took a map you would see texas is directly in the middle of east and west, but it is also downwards towards mexico, therefore it is south

i'll anser so they can have brainliest (my doubleu key is broken)