What is the velocity of electron from potassium

Which describes fat? a: a carbohydrate that produces energy b: a nucleic acid that directs cell function c: a lipid that stores energy d: a protein that speeds up a chemical reaction

Avariable that is not being directly tested during an experiment should be changed varied experimented controlled

Word equation for k(s) +h2o(l) yield koh (aq) + h2