Calcium is a chemical element with symbol Ca and atomic number 20. Calcium is a soft gray Group 2 alkaline earth metal, fifth-most-abundant element by mass in the Earth's crust. The ion Ca2+ is also the fifth-most-abundant dissolved ion in seawater by both molarity and mass, after sodium, chloride, magnesium, and sulfate.[5] Free calcium metal is too reactive to occur in nature. Calcium is produced in supernova nucleosynthesis.
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A. Consumers cannot produce their own food source so they have to eat other animals.
C. Rhizobia bacteria "prepare" the atmospheric nitrogen and make it useful for the plant.
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Answer:try a gel manicure or pedicure
Explanation:
Gel manicures although they run higher risks of skin cancer from the ultraviolent lamp used to dry the polish do last on average 50% longer.
ID isn't even genuine science, and it's an affront to religion too: their hypotheses make God look moronic and compel him to things that we don't yet get it. What ID advocates do is they discover something that isn't yet comprehended (at a certain point, it was a bacterial flagellum) and essentially wave their hands and say "God did it!", and afterward when that thing has been legitimately clarified by genuine researchers, they discover something else that hasn't been clarified yet and rehash the process.
