The combined calcium and phosphorus in a pn should not exceed 45 meq/l. what is the combined calcium and phosphorus (there are 2 meq po4/mmol) in this pn order and is it considered safe?

What produces wave a)sound b) heats c)transfer of energy d)vibrations

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.

Mach the labels with the symbols on the weather map