Answer:
Corrosion is the process of deterioration of materials as a result of chemical, electrochemical or other reactions. Rusting is a part of corrosion and is a chemical process which results in the formation of red or orange coating on the surface of metals. ... Rust or rusting can affect only iron and its alloys.
Explanation:
B. Are produced only by living things
Answer:
B
Explanation:
The time it takes for half of the radioactive atoms to decay to a stable state.
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