People are less likely to have certain bacterial infections now than they were 100 years ago. Which two practices have been developed more and more over time and have reduced cases of bacterial infection?

A refrigeration and trash collection
B trash collection and lichen use
C lichen use and dieting
D dieting and refrigeration

A - Refrigeration & trash collection

Explanation:

100 years ago, rotting meat & other fermenting food items were a huge problem, especially in close quarters. Refrigeration now keeps foods at a stable temperature, preventing bacteria growth, and trash collection removes possibly infected & contaminated items. For a basic view, nobody in modern society would willingly eat warm, raw meat, and most people have never considered eating out of the trash. Moldy food is quickly disposed of.

A - Refrigeration & trash collection

Explanation:

I got it right on the quiz

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