Research studies indicate that in an emergency situation, the presence of others often
a. prevents people from even noticing the situation.
b. prevents people from assuming responsibility for assisting.
c. leads to all of these behaviors.
d. prevents people from interpreting an unusual event as an emergency.

Research studies indicate that in an emergency situation, the presence of others often:

B. Prevents people from assuming responsibility for assisting.

Explanation:

When the people see a situation where one or more people requires help from them, the people assume that the responsibility could be for anyone, not necessarily for them, also could feel ashamed because being dragged to a situation where they have not related and the people, in change of to value their bravery, could attack or talk bad them in case of actually can't help.

the first settlements began along the huang river because of the importance of the huang river in the beginning of china. it goes back to the story, “the tale of emperor yu”, which references the tale of the great flood, which was caused by the huang river and was believed to create and influence china’s making.

well it depends i think people around the world are coming around to gay marriage. but if you are talking abortion then wow, so much to talk about. such as men thinking they have the right to choose if women can, the fact there are health concerns if the women can't get one, and many more arguments to discuss. so i would definitely say abortion would be a much more interesting topic.