Hanson fretted as he saw it sink into the shell, sure it would begin to melt the sky material.
The chips sank into the shell because they were radioactive moon chips and melted the shell.
mnli hypothesis: The chips sank into the shell because they were radioactive moon chips and melted the shell. premise: Hanson fretted as he saw it sink into the shell, sure it would begin to melt the sky material.