Focus Question: Does Newton’s 3rd Law of Motion apply to seat belts? Question: Does Newton’s 3rd Law of Motion apply to seat belts?

  concave means having an outline or surface that curves inward like the interior of a circle or sphere. so the mirror curves inward.

I’m not sure about this question

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.