Which 2 characteristics do geologists study to identify rocks? A. Appearance and location
B. color and shape
C. crystals and holes
D. texture and composition

i believe the correct answer from the choices listed above is the first option. the scientists need to look at the   validity of data, claims, hypotheses, and observations before  developing an argument. they base their arguments on facts that are present and they make sure they have proofs. 

explanation:

the eggs of the insects should be the first thing collected at the scene.

false

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explanation: bc blah