The scientists who were trying to explain the continent shapes, just like scientists today, are devoting much time, thought and effort to developing and substantiating ideas that will account for the available evidence. However, whenever a new idea is proposed, it almost always requires further work and modification. Note that each idea proposed thus far regarding the continents has some explanatory power, but also has significant problems. How does the time required to develop and substantiate science ideas as illustrated in this story compare to what science textbooks convey about the time required to develop and substantiate science ideas?

answer; ///i believe the state is (pennsylvania);

    racial conflict and discrimination has existed ever since man learned to kill with rocks and bones. these conflicts arose from disputes between territory, power, wealth, religion, or simple difference. some of the most infamous racial disputes include slavery, the holocaust, and the civil rights movement.

    these listed disputes often resulted in casualties from all sides. riots, wars, imprisonment, and lynching are all commonly associated with racial conflict on severe levels.

      however, racism is an improving issue in recent decades. people are being more accepting and welcoming of diverse populations. though, the world isn't perfect and it will take much more time, if ever, until the world is rid of racism.

answer; genetics;