Answer the following question, with explanation first.
Finding information in an old library requires what in a card catalog?\nOptions:\n- chewing\n- searching for\n- ask questions\n- logic\n- time

searching for
Old liabraries used to use the card catalog.

A catalog card is an individual entry in a library catalog containing bibliographic information.

Old library requires searching for card catalog to find the information.

.

The final answer: searching for