How much energy does the em radiation have?

If you have 5.25 grams of methane (ch4), how many grams of co2 will you produce ?

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.

Select the correct location on the image identify the element that humans need to breathe. 2015 er r ights reserved