Which of the following atoms has a full outer shell?
A. Ca
B. Li-1
C. Mg+2
D. N-2

Why are people not able to scuba dive in the deep part of the ocean

In salt water solution,the salt is the blank

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.