This spore forming bacilli produces food poisoning:

Endospore formation is a characteristic of which:

These bacteria is curved or corkscrew shaped:

The type of bacteria that is cocci in form:

The spread of microbes from host to host by food, milk and water is what mode of transmission:

Parrott fever is transmitted via:

What is the Central Limit Theorem and why is it important?

Sandpaper comes in different degrees of roughness.  The most abrasive type has large pieces of sand.  

You may get laughs when you deride someone’s appearance, but some of us find your scornful remarks more in bad taste than amusing. 

I’ll never forgive myself for gossiping so cruelly about our new neighbor.  Now that I know and like her, I’ve rebuked myself for my behavior a hundred times.