Which measurement has the greatest number of significant figures?

6.060 mg
60.6 mg
606 mg
60600 mg

Give the orbital configuration of the phosphorus (p) atom.

Which of the following describes a situation where competition between producers exists

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.