Answer:
I don’t want to download a pdf that I don’t know what it is…
Also, brainly strictly says that we can’t post questions about a test or quiz that is found in school…
Explanation:
Explanation: just add the atomic masses on the periodic table together for each atom.
Physical because it is still H2O
Scientists should control most possible variables in experiments to get the most valid and correct data. If many variables are included in experiments it is more difficult to interpret what is causing a different outcome.
Answer: 2= baby being developed= embryo 1 i dont know sorry
Explanation:
