Moving further towards the outermost layer of the Earth, or the (6), we find that the mantle is semi-molten

Why does a red shoe appear red in daylight

The number to the right of an element's symbol (ex. c-12) identifies the of an isotope.

1) which of the following is the best example of a physical change? a) sugar dissolving in tea b) firefly glowing 2) in the combustion of ethane, what is/are the reactants? c2h6 + o2 ==> co2 + h2o a) c2h6 and o2 b) co2 and c2h6