He shoots her a wry glance when he hears that amusement - hah, score one for him - and then takes a breath to address her question. "Burial," he says. "Our planet was, ah, very badly terraformed for a very long time. We didn't want to waste any earth-descended organic matter. So - burial." A small shrug. "We burn offerings to the dead at their gravesites. If we care to."