17 IS 3 AND 18 IS 2 SO THATS WHAT IT IS
Phenotypic ratio is comparing the number of dominant genes to the number of recessive genes
so like let's say there are 3 dominant genes and 1 recessive, you'd write the ratio like this
Dom:Rec
3:1
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.
Oxygen is a compound , phosphorus and nitrogen , and reservoirs
By pushing on the top of it and the water or substance will get into it
