Answer:
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Answer:
(A) It is not very reliable
Explanation:
Having a database would cause lots of issues and disagreements
When Cancer is spread it’s called Metastasis, cancer cells break away from where they were first formed. Travel throughout the blood or lymph system, and form new tumors on other parts of the body. Cancer can spread to almost anywhere in the body, but it commonly moves into your bones,liver,or lungs.
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Explanation:
Molecules of reactants and products undergoes chemical changes when they combine.
The combination leads to the breaking of bonds and rearrangement and this brings about the formation of new products.
- Atoms in molecules tends towards stability
- They often want to mimic the noble gases and would keep rearranging until stability is attained.
- This leads to the formation of new compounds in the product end of the reaction.