Use use chemical weathering and a sentence

Weathering is the breakdown of rocks at the Earth's surface, by the action of rain water, extremes of temperature, and biological activity. It does not involve the removal of rock material. Chemical weathering is a type of weathering that is caused by chemical reactions. It is caused by rain water which breaks the bonds holding the rock together. From the question we are supposed to use chemical weathering in a sentence; Well there are many sentences we can create if we understand what chemical weathering is; For example; Rhizoliths are created through the process of chemical weathering, decomposition, reprecipitation and cementation. Once deposited, physical and chemical weathering can alter the state of preservation. Etc

Ethene molecular fórmula= c2h4molecular weight = 29.046g/molhope it : )

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.