You have to look for the answer in the article you've read, it's the authors opinion of what new social network organization will replace
Answer:
a. serve a purpose and are not easily modified.
Explanation:
In psychology, gender-role stereotypes are generalized ideas about the behaviors that we expect from men and women. In other words, it's the preconceptions we have about how men or women should behave, dress, act, etc.
These gender roles are not easily modified because they have their roots in the culture and they serve a purpose of differentiating men from women (although this might not be correct since we are talking about generalizations).
Therefore, from the options given we can say that gender-role stereotypes a. serve a purpose and are not easily modified.
When it comes to vehicles, a blind spot is defined as "an area around the vehicle that cannot be directly observed by the driver while at the controls". With this in mind, I believe that the answer is <u><em>B. Large areas around your vehicle that you cannot see using your rearview and side mirrors</em></u>.