What question does the adverb clause answer? Because a mother kangaroo has a built-in baby carriage, she can easily include her babies in her travel plans. compare/contrast where under (on) what condition why when how

The adverb clause in the sentence is "Because a mother kangaroo has a built-in baby carriage." This clause answers the question "why." It explains why the mother kangaroo can easily include her babies in her travel plans.