Which statement does BEST describe what happens to the vertical velocity of a projectile? * it accelerates downward
it accelerates upward
it remains constant
nothing happens to it

i do not know and i have a 100 in this class

a time line cause it goes from 685 to 978

nucleic acid molecules are incredibly complex, containing the code that guarantees the four different nucleotide units comprise dna, the nucleic acid of interest to the genealogist. and one of four nitrogen-containing molecules called nucleotides

answer; motor (efferent)neurons;