Question

Because a mother kangaroo has a built-in baby carriage, she can easily include her babies in her travel plans
Identify the question the adverb clause answered in the above sentence.
when

where

how

why

under (on) what condition

compare/contrast

Answer 1

Answer: why.

The adverb clause is "Because a mother kangaroo has a built-in baby carriage"

There it results evident that it answers the question Why.

Answer 2

Answer:

The answer is why.