# Jill hypothesizes that individual volcanoes produce igneous rocks with a certain chemical signature. She further hypothesizes that scientists could use an igneous rock's chemical signature to determine where the rock came from. What type of investigation should Jill perform to test her hypothesis? A. perform a controlled experiment on a volcano B. collect and test rock specimens C. observe and describe a volcanic eruption D. model the formation of an igneous rock

###### Question:

Jill hypothesizes that individual volcanoes produce igneous rocks with a certain chemical signature. She further hypothesizes that scientists could use an igneous rock's chemical signature to determine where the rock came from.
What type of investigation should Jill perform to test her hypothesis?
A.
perform a controlled experiment on a volcano
B.
collect and test rock specimens
C.
observe and describe a volcanic eruption
D.
model the formation of an igneous rock

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