Jack. A signpost is a non-living thing and non living things do not grow. Sam is an adult and he has stopped growing already. Jack is a child and will continue growing the next few years.
Red blood cells, I need a little bit more details to fulky know, please respond to me thanks
Vibrating column hope this helped you.
Explanation:
- <em>Permian Triassic Extinciton</em>
Lots of places were affected, extinction; in species, vertebrates, etc, etc.
- <em>Devonian extinction</em>
Extinction-- in marine species...
