Which of the following destroys all microbial life including spores?

Sanitation refers to the reduction of microbial life to levels considered safe based on public health standards. It does not eliminate all microbes, particularly spores, but rather lowers their numbers to prevent disease transmission. Therefore, sanitation does not achieve the complete microbial destruction that sterilization does.

Disinfection involves using chemicals or physical methods to kill or inactivate most pathogens, but it does not ensure the destruction of all microbial life, particularly resistant spores. Disinfectants are effective against many microbes but are not classified as sterilants.

Antiseptics are substances used to inhibit the growth of microorganisms on living tissues. They are not designed to destroy all microbial life, especially spores, and are typically used for cleaning wounds or preparing skin for procedures. Thus, they do not provide the complete level of microbial destruction achieved by sterilization.