The answer to this question is Sign
Most people use sigsn as some sort indicators that tell us a specific situationisi going to occur. So, by acknowledging certain signs that shown to us, we could make some preemptive measures so we can be ready to face that specific situation. (for example, spotting sudden appearance of physical black mole could be a sign for skin cancer)
Answer:
catastrophe
Explanation:
Hurricane Katrina, which struck New Orleans in 2005, is an example of a catastrophe because it required a significant amount of money and many years to recover from.
A catastrophe is a great disaster causing loss of lives and properties and It is usually sudden.
I believe the answer is: testing effects
Testing effects refers to the perception long term memories tend to be increased when our brain is dedicated to retrieving a certain type of information over and over again. When studying, this tend to make people become bias and overconfident after repeating a certain topic, making them believe that they do not need to study the topic again before test.
Citizens and noncitizen are alike because they are both human i think