Answer:
She realized the wolves would soon depart for their nomadic winter life.
Explanation:
The open tunnel was used as a shelter for the young as they grew up and became strong enough to walk and run. This moment indicated that the wolves would begin their migrations and live like nomads during the winter. It was this thought that scared Miyax, as she saw that the cubs had already reached the strength necessary for the migration, which meant that the wolves would soon be gone.
An subordinating conjunction makes clauses dependent. So your answer is D.
A timeline will usually you what caused an event unless the cause wasn't important enough to be there like a boulder fell off a cliff because it rained
Because organizational structures are structured toward one specific goal, the writer could be choosing one over another simply because one provides better resources for the goal to be attained. Another reason could be that the writer simply has a preference of what organizational structure they would like.