How are nitrogen-14 and nitrogen-15 same and different?

What causes most sediment to wash or fall into a river

Areaction in which products can react to re-form reactants is

Acandle’s wick is the fabric string that holds the flame, and it burns down at a constant slow pace when the candle is lit. the wick is usually surrounded by wax. which is the most important property of covalent compounds that makes them useful for making candle wax? a low boiling point a low melting point a high boiling point a high melting point