9. Выберите из приведенных ниже слов пары однокоренных глаголов и существительных и переведите их на русский язык.
to fall, consumer, to stabilize, organization, demand, to sell, buyer, influence, to invest, to improve, consumption, fall, improvement, stabilization, to intervene, to organize, investment, seller, to consume, to buy, to demand, increase, to reduce, reduction, to influence, to increase, intervention