according to nature . com
"Cytoplasm is a thick solution that fills each cell and is enclosed by the cell membrane. It is mainly composed of water, salts, and proteins. ... All of the organelles in eukaryotic cells, such as the nucleus, endoplasmic reticulum, and mitochondria, are located in the cytoplasm."
i like to refer to it as slime in the cell that gives it structure.
The more air is in the jar, the longer the candle will be able to burn. So the candle in jar 3 probably burned for 4 minutes.
The candle in jar 4 would be able to burn much longer then the others, because it has no lid so air can come through and keep the candle burning.
The answer is A hope this helped you :)<span />
This is the chronicle of evolution over millions of years of geologic time engraved in the order which fossils appear in rock strata.
