How much heat must be added to 4.55 kg of copper to change it from a solid at 1358 k to a liquid at 1358 k? latent heat of fusion for copper is lf=20.7×104j/kg.

Which is not true of the intertropical convergence zone? a) it features heavy precipitation b) it's where the trade winds collidec) it's a high-pressure zone with sinking air d) it is also known as the doldrums