Hi sairam595, as I mentioned, there are couple of officially correct questions that usein that . Reiterating, when there is a straightcausal connection (as is the case in the sentence under consideration),because is the way to go.
In the example you've quoted(parachute like membranes ), if you analyze, you would realize that it's not a truecausal connection.
Normally this distinction is easy. A very similarincorrect example:
The African elephant differs from Asian elephant because African elephant
...
In the example you've quoted(parachute like membranes ), if you analyze, you would realize that it's not a truecausal connection.
Normally this distinction is easy. A very similarincorrect example:
The African elephant differs from Asian elephant because African elephant
...





