How many TOTAL valence electrons are in the molecule H 2 O ? 8,2,6,1

Matthew decided he wanted to hike up mount everest. on his way to the top, it began to snow and the temperature dropped to -10°f. matthew forgot to wear a heavy jacket so his body began to shiver beyond control. in this case, matthew's body shivering is the to a drop in temperature. * 0 points reflex stimuli responce environmental facto

What is a dendrite and what does it do?

Is this mrna or rna need need the answer in a hurry