1. some volcanoes have explosive eruptions, like the one at mount st. helens in 1980. eruptions like these can cause abrupt changes to earth's surface.

which of these could result from an explosive volcanic eruption?
a) a flow of ash and debris rushes down the volcano's slope.
b) part of the volcano is blasted away.
c) volcanic ash covers the surrounding area.
d) all of these

the correct answer is individualism and exchange. at this stage, children begin to question the rules, because they can see that there is more than one side to them. different individuals have different viewpoints. they won't be able to reach this stage because of ignorance, a lack of ethics or personal biases. that is because people with that characteristiscs are not able to distinguish what is good or what is bad and they can't pursue their individual interests.