Which natural hazard would california be more likely to experience than florida? tsunamis droughts wildfires floods

Which of the following can occur to two segments of a population if they are geographically isolated 1.) they can only share some types of genes 2.)both groups most likely become extinct 3.)they find a way to come back together 4.)eventually they become separate species

The function of the ciliary escalator is to

What two atoms form a covalent bond a.a sodium and chlorine atom b. an iron and oxygen atom c. two oxygen atoms d. two sodium atoms apex