Not sure, but I would guess it's due to environmental factors, like heat, and imperfections in the metal. Just an educated guess, though.
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<em>The branch of natural science that deals with the composition and constitution of substances and the changes that they undergo as a consequence of alternations in the constitution of their molecules is chemistry.</em>
Explanation:
Answer:
F i think i pretty sure F!!!!!!!!
Answer:
increasing rainfall. hope it help
Photosynethesis, respiration, and combustion.
