There are currently about 320 crime laboratories in the united states.

Luminous objects such as flashlights emit light that we can see. how do we see an object that isn’t luminous? a. the object emits light that reaches our eyes. b. light reflects off the object and reaches our eyes. c. light passes through the object uninterrupted. d. light is fully absorbed by the object. e. we can’t see an object that isn’t luminous.

How are students who take the writing portion of accuplacer graded?

If the null hypothesis is false and the researchers do not reject it a type 2 error has been made. true or false