Explain how a convection works. Use at least 5 words from the word bank to explain your model.
Word Bank: fall, warm, cool, rise, replace, heat source, convection currents, circulate, and temperature
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The excretory system,need answers for all: )

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.

How many grams of iron can be made from 16.5 grams of fe2o3