Heat transfer by convection is based on a) particles bumping into each other due to increased motion
b) electromagnetic radiation moving through space
c) the current set up when the density of a substance changes as it warms or
cools
d) the ability of different substances to transfer heat differently
e) none of the above

air quality

poor drinking water

and heavy polution

can lead to poor health

answer: mercury

explanation:

58750.08068 is the answer i think

shield volcanos are angry and get mad over the smallest things so much that there heads erupt   pahoehoe and a'a lava. a composite volcano is the poller opposite of a shield volcano. its   peaceful thing and knows how to control its emotions.