the distance between a high and low place on a map
comic relief
An ORG, expanded, is an Overflow Relief Gully
Scientific Literacy
a Mantle
relief recovery reform
Yes, copper is believed by some to help with arthritis pain relief, but scientific evidence supporting this claim is limited.
Dihydrogen oxide
wet
Detrimental
Hematite
.Detrivore
a device that can do work