Answer:
Bleach.
Explanation:
I think this is the answer?
A zygote is immediately formed after fertilization between two gametes. This cell is eukaryotic and made up of a combination of the DNA in both gamete. Zygote contains all the hereditary information essential in the formation of a new individual.
I believe it’s the first, third and fourth ones. I might be wrong and I’m sorry if I am.
Volumes.
If you put equivalent volumes in a bag, where both weigh the same, the density might get equal.
Hope it helped,
Happy homework/ study/ exam!