They are called bellwether species, also known as sentinel species.
The correct answer is an ethical dilemma
Ethical dilemmas arise when it is necessary to make difficult decisions taking into account moral values and whose consequences can impact the lives of others. As challenging as it may seem to decide how to act in the face of these dilemmas, it is a fact that doing the right thing is always the best way to go.
One reason why veterans were quite attracted to the suburbs after WWII was that Suburbs were affordable and had space.
<h3 /><h3>Why were suburbs attractive to veterans?</h3>
Suburbs like the Levittown gained popularity and were really attractive to a lot of Americans thanks to their affordable nature.
They also offered quite a bit of space for families to be raised. Both these factors attracted veterans of WWII who were looking to settle down.
In conclusion, option C is correct.
Find out more on Levittown at brainly.com/question/173381.
The jews wander without a country for about 40 years before reaching there destination
Based on the fact that Ravi has to brush a certain amount of times, he most likely suffers from obsessive-compulsive disorder.
<h3>What does obsessive-compulsive disorder lead to?</h3>
When a person has OCD, they will engage in repetitive actions because they believe that not doing so can lead to further problems.
Ravi therefore engages in the repetitive action of brushing a certain number of times, because if he doesn't do so, something bad might happen.
Find out more on obsessive-compulsive disorder at brainly.com/question/7578271.
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