What is the secondary consumer in the gulf of mexico

How many electrons does silver have to give up in order to achieve a sido noble gas electron configuration

Calculate the molar mass of aluminum oxide (al2o3). express your answer to four significant figures.

Two metal blocks that have slightly different temperatures are placed next to one another. after five minutes, they both have lower but equal temperatures. according to the law of conservation of energy, what  most likelyhappened? energy was created inside the blocks.energy was destroyed inside the blocks.energy was absorbed into the blocks from outside the system.energy was transferred from the warmer block to the cooler block.