Answer:
the public health organization stop foodborne illness recommends one of two mrthods.
Explanation:
you can eithet suspend your dishes in a really hot water bath at least 170 degrees F ,for at least 30 seconds. Or soak dishes in a sanitizing solution of bleach and water one teaspoon of unscented chlorine bleach.
Answer: An observational study
Explanation: The researcher is observing the children who engage in play, therefore <u>this is an observational study.</u>
Answer:
Migration of germanic tribes
Explanation:
migrated across roman border to the roman provinces causing instability in the empire.