Weather... weather is the obvious answer
Answer:
A experimental investigation
check out this article i found it very helpful,
I couldn't find the answer to your question.
Vinegar is a mixture cause its composed of water and acetic acid.
The nucleus (plural, nuclei) houses the cell's genetic material, or DNA, and is also the site of synthesis for ribosomes, the cellular machines that assemble proteins. Inside the nucleus, chromatin (DNA wrapped around proteins, described further below) is stored in a gel-like substance called nucleoplasm.
