Change the second sentence in each of the following pairs into an adjective clause. Then, make the adjective clause part of the first sentence. You may have to add commas before and after some of the adjective clauses.

1). The West Bank is in the Judeo-Galilean Highlands. Several mountains ranges run through the Judeo-Galilean Highlands.

Can someone tell me how to combine this?

... Judeo-Galilean Highlands, through which there are several mountains ranges.