Read the passage. Recently, in the waning dark hours just before dawn, the mother raccoon clambered up the side of the tree, where she proceeded to chew a hole in the trunk. The next evening, she moved into the tree with her two cubs.

Which section of the passage is a dependent clause?

in the waning dark hours just before dawn
the mother raccoon clambered up the side of the tree
where she proceeded to chew a hole in the trunk
she moved into the tree with her two cubs
.