▁with ▁Ni 3 X e , ▁in ▁which ▁nick el ▁is ▁the ▁ox id ant . ▁The ▁volume ▁of ▁the ▁Ar N i ▁comp ound ▁is ▁ 5 % ▁less ▁than ▁that ▁of ▁the ▁separate ▁elements ▁at ▁these ▁press ures . ▁If ▁this ▁comp ound ▁exists ▁in ▁the ▁core ▁of ▁the ▁Earth ▁it ▁could ▁explain ▁why ▁only ▁half ▁the ▁arg on - 4 0 ▁that ▁should ▁be ▁produced ▁during ▁the ▁radio active ▁decay ▁that ▁produces ▁ge oth erm al ▁he ating ▁seems ▁to ▁exist ▁on ▁the ▁Earth . ▁ ▁References ▁ ▁External ▁links <0x0A> </s> ▁C elt is ▁sin ensis ▁( English : ▁Chinese ▁hack berry ; ▁Chinese : ▁) ▁is ▁a ▁species ▁of ▁flow ering ▁plant ▁in ▁the ▁h emp ▁family , ▁C ann ab aceae , ▁that ▁is ▁native ▁to ▁s lop es ▁in ▁East ▁Asia . ▁ ▁Description ▁ ▁It ▁is ▁a ▁tree ▁that ▁grows ▁to ▁ 2 0 ▁m ▁tall , ▁with ▁decid uous ▁leaves ▁and ▁gray ▁b ark . ▁The ▁fruit ▁is ▁a ▁glo bose ▁dru pe , ▁ 5 – 7 ( – 8 ) ▁mm ▁in ▁diameter . ▁Flow ering ▁occurs ▁in ▁March – A pril , ▁and ▁fruit ing ▁in ▁September – Oct ober . ▁ ▁Distribution , ▁habitat ▁and ▁uses ▁ ▁Native ▁to ▁s lop es ▁at ▁alt itudes ▁of ▁ 1 0 0 – 1 5 0 0   m ▁in ▁An hui , ▁F uj ian , ▁G ans u , ▁Gu ang d ong , ▁Gu iz hou , ▁Hen an