Answer:
You can find in the given attachemnet
Do you know what is meant by needed? does it mean lone pairs?
Because if the cherries are eaten them the seeds/pit will be eaten as well which will be carried by whatever ate it and pooped out and can make more of its kind but it is different with wind and water do you also want that answer?
To be honest, I learned this in school so I'll tell you XD
The formula of sodium oxide is Na2O
