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.
Answer:
918, at the end of World War I.
Explanation:
Answer:
How does a unitary government differ from a federal government? In a unitary government, the power is held by one central authority but in a federal government, the power is divided between national government or federal government and local governments or state governments.
Explanation: