um ônibus andou 3 horas e 20 minutos a uma velocidade média de 85 km/h . Após uma parada de 20 minutos , reiniciou a viagem , andando 4 horas e 15 minutos a 90km/h

Debris produced by mining is called

While carrying a heavy box up the stairs,you set the box on a step and rest. then you pick up the box and carry it to the top of the stairs. describe these actions in terms of balanced and unbalanced forces acting on the box.

Steel water aluminum think about the three words listed here. which word could be added as the title of this list of words to tell how these words are related? a) conductors b) heat c) insulators d) metals