What is a hot spot? 1-when magma melts through the crust and forms a volcano
2-when two tectonic plates come together and push up to form a volcano
3-when two tectonic plates plates move apart
4-all of the above
HELPPP!!!

When the mercury level in a barometer decreases that atmospheric pressure has

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

List and describe the neurological effects of the vocs and other air pollutants,as described by dr.theo colborn