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What is the difference between domestic and industrial waste?
Domestic waste are products that are liable to decay while industrial waste is any material that is rendered futile after a manufacturing process
What are the characteristic of rubber tire or other things that not decay?
Things that don't decay (or that don't decay quickly) are difficult to digest, for bacteria.
What is to decay or decompose?
something
What two things do radioactive atoms give off when they decay?
Radioactive atoms can give off several different particles. There are three different "types" of radiation, beta, gamma, and alpha. Beta decays which give off electrons/positrons as well as gamma rays (usually). Gamma emmitters are generally meta stable particles that omit a gamma ray in order to stabilize the nuclears, and their are alpha decays which eject a alpha particle (a helium nucleus). On rarer occasions radioactive particles can also be classified as neutron emitters.
When a nucleus undergoes radioactive decay its new mass number is?
It depends. If the decay contains a particle with mass, then the nucleus' mass number must decrease. If the decay involves the emission of a massless particle (like a gamma photon), then the mass number is unchanged. If the reaction (not technically a decay) involves the nucleus absorbing a particle with mass (like U-235 absorbing a neutron in a fission chain reaction) then it is a transmutation and not a natural decay. The mass number must increase.
