Please help! Fission reactions can get out of control without what taking place?
A.
chain reaction
B.
critical mass
C.
neutron heating
D.
neutron moderation
E.
subcritical mass

Oh nskskakaaka

Carbon based or cells?

Answer    "a salt" would be the best answerexplanationsalts can be defined as ionic compounds that are neither acids nor bases. nacl is an example of a salt, and its ionic.an enzyme is an organic compound which is covalently bonded, not ionically bonded.acids are generally held together by covalent bondsan element does not need any bonds to exist