Answer:
The correct option is (C)
Explanation:
Hypothesis is referred to as an assumption or wild guess that needs to be tested to arrive at a scientifically established theory,
Here, Jill proposes a hypothesis which states that igneous rocks produced by volcanoes constitute some kind of chemical that could be used by scientists to estimate the origin of the rocks.
This hypothesis can be tested only by collecting the rock samples and testing them to arrive at a scientifically proven fact.
True, because the greatest populated areas would not be in the mountain rages.
The data are qualitative because they don't measure or count anything
