Directions: On the line before each question or statement, write the letter of the correct answer. 1. Some substances are chemically combined in specific combinations. These are
A. compounds.
B. homogeneous mixtures.
C. heterogeneous mixtures.
2. Which item is a form of matter?
A. air
B. sound
C. gravity
3. Which item is a substance?
A. trail mix
B. table salt
C. breakfast cereal

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C. control over the business

You would be correct, boiling water does disinfect contamination.    the property of disinfecting means to kill  germs, bacteria and other pathogens or contamination  that might cause an infection or cause a person to become sickly. a couple methods of disinfecting are using soap, other cleaning supplies or by simply "boiling" the contaminate.  the reason why boiling water disinfects certain attributes is because some cells cannot survive the heat and pressure.