Answer:
It is a model of the atom that has electrons surrounding the nucleus
Step by step explanation:
The lighter components are able to rise higher in the column before they are cooled to their condensing temperature, allowing them to be removed at slightly higher levels.
I hope this helps
It will be:
b. Alkyne* series
* You have done a spelling mistake here. It will be "Alkene" not "Alkyne".
The chloroplasts i believe is the answer
