One possible way that future scientists may determine whether the core-accretion model or the gravitational instability theory better explains the formation of the jovian planet is:

A) measuring the mass of the rocky material in the jovian planets' cores.
B) measuring the metallic hydrogen layer in the jovian planets.
C) observing the changes in the rings around the jovian planets.
D) observing the changes in the magnetic fields of the jovian planets.


A

Physics & Space Science

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Which of the following is not evidence for plate tectonics on Earth?

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