<span>The threat to internal validity is the Mortality. Internal
validity is the measure in which the causality of the stimuli studied
is analyzed, that is, if the results of the study are due to the
interaction of the variables analyzed or are due to the interaction with
other variables. <span>Mortality is an error that occurs if the
conclusions of the study are made only on the basis of the participants
who were from beginning to end in the investigation, without taking into
account those who left the study.
I hope my answer can help you.
</span></span>
Harriet Tubman and<span> Frederick Douglass were both slaves that became abolitionists</span>
The answer is C.
Hope this helps!
The correct answer is Honorific speech. Honorific speech refers to Speech styles in certain languages that denote status differences among conversational partners. It can be used to figure out the nature of the relationship between the conversational partners. It is also useful when the relative status of the speaker is vital.
Answer my question on my profile and I’ll answer your question.
