Answer:
the answer is physical properties
lighting a candle, An initial input of energy causes oxygen and wax react to produce carbon dioxide, water, and heat.
Explanation:
During an exothermic reaction, energy is constantly given off, often in the form of heat, combustion is the best example of this
Explanation:
Percentage composition tells you the percentage of each element present in a compound or molecule. This allows you to work out the number of atoms of each element present in the molecule. Percent composition is important because it allows us to determine the percentage of each element that makes up a specific compound. Percent composition is important because it allows us to determine the percentage of each element that makes up a specific compound.
An acid because of its high content of citric acid
An A horizon is a mineral horizon, It forms at the surface as topsoil. O horizon turns eventually into topsoil