Answer:
The average atomic mass (sometimes called atomic weight) of an element is the weighted average mass of the atoms in a naturally occurring sample of the element.
Explanation:
please give me a heart. anyone good at math just posted my question
True ..In animals, the female mitotic sequence produces only one ovum; the other three haploid cells become "polar bodies".
Answer:
B or C i think
Explanation:
because Eons are broken into eras and then into periods. Its not A tho