The vinegar had turned the whites of the egg clear, so you can see in it.
Hope this helped :)
The answer is to your question my friend is D.
I think is the first and second!!
Answer: a hypothesis.
A hypothesis means a theory or a guessed explanation made, based on limited evidence as a starting point for further investigation.
The answer is four bonds because they can use one electron for each bond.
Hope that helped :)
