Skeletal fluorosis is a debilitating condition that causes bones to become brittle and break. How is skeletal fluorosis related to rare earth elements.
a) Radioactivity caused by rare earth mining results in skeletal fluorosis.
b) Mining of rare earth elements pulls up fluoride and arsenic which cause skeletal fluorosis.
c) Skeletal fluorosis is a genetic disease and is not related to rare earth mining.
d) Many rare earth elements can cause skeletal fluorosis.