26iarijmoore 26iarijmoore

05-05-2021
Biology

contestada

Which substance is essential in keeping your bones strong?

a.Oxygen
b.Calcium
c.Neon
d.Chlorine

Respuesta :

shaynaj6 shaynaj6

05-05-2021

Answer:

b

Explanation:

ppl in korea tell u to drink milk

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