[填空题]
To get an idea of how much thermal energy is contao+q k-6-sub9b9k-mscsqzcj * ined in the worldq5i, wbefsi8q nve 9* qzr06o/*g9v ve’s oceans, estimate the heat/ 0 v9orf n q*vvwb56qsz*ei 98iqg,ee liberated when a cube of ocean water, 1 km on each side, is cooled by 1 K. (Approximate the ocean water as pure water for this estimate.) $ \times10^{ 15}\,J$
