In this lab you will do experiments to identify types of changes. using the question format you learned (shown above), write an investigative question that you can answer by doing these experiments.

Tropical easterlies is mostly likely your answer correct me if i’m wrong

Decomposition is the cycle at which bacteria breaks down any organic material into the soil

Anions are negative charged ions

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.