What does a velocity measurement include that a speed measurement does not? time

direction

distance

acceleration

Velocity is speed and Direction. It does not include direction

Ans() ; the burning of them contributes to global warmingthey come from decayed organic material;

In reversible reaction chemistry equilibrium is attained when the forward and reverse reactions are taking place at the same rate, thus, the concentrations of reactants and products remain the same. a reversible reaction is a chemical reaction where the reactants form products that, in turn, react together to give the reactants back. in irreversible reactions on the other hand, the reactants react to form the products, which cannot revert back into reactants.