What appears to happen in the sky during one rotation of Earth? Choose the two correct answers. A. The moon appears to hide the sun. B. The sun appears to move past the moon. C. Constellations appear to move from east to west. D. The sun appears to move from east to west. E. The sun appears to move from west to east. F. Constellations appear to move from west to east.

Tell me the iupac name of the following compounds:

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.

Predict the reactants of this chemical reaction. that is, fill in the left side of the chemical equation. be sure the equation you submit is balanced. (you can edit both sides of the equation to balance it, if you need to.) note: you are writing the molecular, and not the net ionic equation. > cacl2(aq) + h20(l)