Which number represents runoff on the hydrologic cycle diagram?

1

2

3

4

illustration of water cycle showing land and water body with arrows pointing outward and inward to both land and water body and some numeric labels one, two, three, and four mentioned along with arrows

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.

What is the compound name for the formula [ru(en)2cl2]2+ and [co(en)cl2br]-

If two identical atoms are bonded,what kind of molecule is formed