Question

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Explanation:

Identify the core observation

The text describes Mary and Jim observing a rock they found. They notice that the rock is yellow in color. According to their research data, the mineral limonite is also yellow.

Define the scientific concept

Using the Scientific Method concept, a hypothesis is a proposed, testable explanation for a set of observations. It connects an observation to a potential explanation.

Formulate the hypothesis

Based on their observation (the rock is yellow) and their background data (limonite is yellow), Mary and Jim's proposed explanation is that the rock contains limonite. Therefore, their hypothesis is that the rock they found contains the mineral limonite because it is yellow.

Answer:

Mary and Jim's hypothesis is that the rock they found contains the mineral limonite.