Answer:
While most tsunamis have seismic precursors that allow for some form of warning, an unfortunate chain of factors led to Saturday's catastrophic impact, experts say. The tsunami, which happened between Java and Sumatra islands, was caused by the Anak Krakatau, an active volcano that has been erupting since June.
Answer: Content validity
Explanation:
Content validity is defined as the process that indicates about content knowledge that a sample content should contain or was intended to have through measurement .
According to the question, students should question content validity of the test content .In this manner ,they can find the adequate content that should be present in test paper through measurement.
Other options are incorrect because face validity, construct validity and predictive validity does not define about knowledge domain that of any sample that test is measuring.Thus, the correct option is content validity.
Answer:
B) As the American nation expanded westward, many groups faced challenges and had to deal with conflict.
Explanation:
The correct answer is letter a. It is because if the person feels that he or she is treated equitably by which is being defined as being treated in a fair and impartial manner, the person is likely to work harder as he or she feels that the individual is treated in the right and respectful way, making the individual to work hard and strive for the goals that the individual wants to achieve.
