Выберите нужную форму глагола to be и переведите предложения на язык. 1.the life and scientific career of lobachevsky ( is, was, will be) closely connected with kasan. 2.there ( are, were, will be) only two kinds of energy transfer- wave motion and particle motion. 3.the celsius scale ( is, was, will be) the scale used in most scientific experiments.