Choose one rock from each of the three categories- sedimentary, igneous, or metamorphic and describe in a complete paragraph (60 + words) the color, luster, streak, hardness, and cleavage of the three rocks you chose. You will write three complete paragraphs, one for each of the rocks you chose to describe. You can also include information about how the rocks are used or where they are commonly found to enhance your writing.

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.