Answer:
because it has lighter molecules.
The butane is a kind of alkane. And there is only carbon and hydrogen and single bonds. The formula of butane is C4H10. There are four carbon atoms and ten hydrogen atoms present in one butane molecule.
Chickens lay eggs depending on the time of year. The number of daylight hours affect when they start laying and stop laying. If you artificially provide <span>light, the chickens will start laying. </span>
I would say A but I am not sure
<span>Ca has 2 valence electrons and F has 7, they would end up having to share electrons but Ca or F has to keep one because in total there are 9 valence elections and only 8 are needed to make this pair "happy". that's all i can provide. i hope it helped some</span>