Can anyone do this for me ? so i can get an idea of what i have to do. (it says it has to be handwritten but you can type that's fine. )

a disaster is a sudden, calamitous event that seriously disrupts the functioning of a community or society and causes human, material, and economic or environmental losses that exceed the community's or society's ability to cope using its own resources. though often caused by nature, disasters can have human origins.

what cause disaster?

various phenomena like earthquakes, landslides, volcanic eruptions, floods, hurricanes, tornadoes, blizzards, tsunamis, and cyclones are all natural disasters that kill thousands of people and destroy billions of dollars of habitat and property each year.

public awareness about disaster

public awareness and public education for disaster reduction seek to turn available human knowledge into specific local action to reduce disaster risks. it mobilizes people through clear messages, supported with detailed information.

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.