Question 3 A train is travelling east to west and inside one of the carriages a child rolls a ball directly across the carriage towards the northerly side of the carriage. Seen from above, the resultant velocity of the ball is 13 ms-1 on a bearing of 293°.

Inner peace.. jk it's  a stable electron configuration

When is this

How is it possible that phylogenies based on sequences from nuclear genomes and organellar genomes (i.e., chloroplasts and mitochondria) from the same group of species yield phylogenetic trees with different branching orders?   answer :   the genome of the endosymbiont is more closely related to members of the group in which it originally evolved, while the nuclear genome of the engulfing organism has its own evolutionary trajectory.