The volume of water stored in reservoirs is often reported in acre x feet. One acre x foot is 43,569 cubic feet. Which
option below best describes how to convert from cubic feet
to cubic meters? There are 3.28 feet in one meter.

☆ionisation energy increases across a period from na -> ar☆ionisation energy decreases down a group from li -> fr☆ionic radius decreases across a period from na -> cl☆ionic radius increases down a groupfrom f -> ii hope it clarifies your doubts

Sorry i dont understand the question can you rephase it?