Which two atoms form an ionic bond? A. Sodium and bromine
B. Two oxygen atoms
C. Two sodium atoms
D. Fluorine and chlorine

it maybe

Explanation:

(B) two oxygen atoms form an ionic bond

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i think the miocene epoch spans the time from 23 million to 12 million years ago.

a

explanation:

many plants naturally reproduce this way, but it can also be induced artificially. horticulturalists have developed asexual propagation techniques that use vegetative plant parts to replicate plants. success rates and difficulty of propagation vary greatly. monocotyledons typically lack a vascular cambium and therefore are harder to propagate.