2 answers:
Answer:
The very common element in the earth's crust, silicon, is absent in the human body as well as in most life on Earth
Silicone is hard to find else where
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Answer:
the bones that are inside your body
El teme son up poco differente porque hay differentes lados
Try a small scale generator
Answer:
Make reclamation mandatory after limestone has been removed
Explanation:
Carbon dioxide when the fossil fuels is burned
