HELLL The FDA Code requires that water supply systems include
a backflow or back-siphonage prevention device
pipage composed only of PVC or other plastic materials
regularly spaced emergency shutoff valves
a method of aerating the water at designated checkpoints

Using the periodic table, complete the table to describe each atom. type in your answers

Liv sheldon given the balanced equation for an organic reaction: c2h2 + 2cl2 → c2h2cl4 this reaction is best classified as *

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.