С. нужно указать functions of present participle . define the functions of present participle, translate the sentences into russian: 1. having high melting point tungsten is widely used for the production of electric lamps. 2. forces acting on a body are in balance when they produce no change in the motion of the body. 3. heating a substance we cause a more rapid motion of its molecules. 4. he is coming to the university later today. 5. waiting for the results of the examination he was a little bit worried.