<span>b. They release oxygen that organisms use to breathe.</span>
The amount of time that passes between the fertilization and the first division of zygote is estimated to be <u>2</u><u>4</u><u> </u><u>h</u><u>o</u><u>u</u><u>r</u><u>s</u><u>.</u>
Answer:
Because the mass contributed by electrons is dwarfed by the nuclear contribution. There exists three orders of magnitude difference. Electronic mass can be ignored to a first approximation.
Explanation: