Burning a candle is a chemical change. what is the primary evidence that burning the candle is a chemical reaction?
a) change in odor
b) change in color
c) formation of a solid
d) temperature change

A chemical reaction is one in which there is a chemical change of at least one of the interacting chemical components to another component. In the case as the candle burns, it uses up Oxygen in the air for combustion and transforms it in its carbonized version like carbon dioxide. This change shows that it is a chemical change.

a time line cause it goes from 685 to 978

1. loamy sand is about 80% sand with 10% clay and defined mostly by sand particles with some clay to provide structure and fertility. the sand particles are easily visible and the soil holds structure but breaks apart easily.

2. scott sand can improve his soil quality by incorporating more silt and organic matter into the soil. peat moss and organic matter can also be incorporated.