April moves from a position that is 5 m north of her front door to a new position that is 3 m south of her front door. of this movement takes her 4 seconds, what is her velocity a 0.5 m/s south b 0.5 m/s north c 2 m/s north d 2 m/s south

Two things that biomedical has invented or innovated

Astable electron arrangement for an atom is one that does not easily change. how is this arrangement arrived at? a. valence electrons are transferred or shared to create a full outer shell of electrons. b. valence electrons are discarded into space to create a full outer shell of electrons. c. protons (positive charge) pair with valence electrons (negative charge) to create a strong bond. d. outer shells with valence electrons are transferred or shared.

Five different substances are given to you to be dissolved in water. which substances are most likely to undergo dissolution in water? check all that apply. view available hint(s) check all that apply. sodium fluoride, naf octane, c8h18 propanol, ch3ch2ch2oh potassium iodide, ki benzene, c6h6