Choose all the answers that apply. when dynamite explodes, it releases a large amount of light and heat. this is an example of slow combustion rapid combustion an exothermic reaction an endothermic reaction a chemical change a physical change

Chemical change because the chemical which is used in dynamite react with each other and releases a large amount of light and heat

air quality

poor drinking water

and heavy polution

can lead to poor health

samuel de champlain. in 1608, king henry iv sponsored pierre dugua, sieur de mons and samuel de champlain as founders of the city of quebec with 28 men. this was the second permanent french settlement in the colony of canada.