Why is vinegar used in food preservation? a)the high ph and high acidity of vinegar destroy bacteria. b)the low ph and low acidity of vinegar destroy bacteria. c)the low ph and high acidity of vinegar destroy bacteria.

Cpr, or cardiopulmonary resuscitation, is a first-aid technique to save lives. it involves compressions of the patient's chest cavity. which description is the best description of the functions of chest compressions in cpr? chest compressions are done to pump the heart. chest compressions are done to strengthen the rib bones. chest compressions increase carbon dioxide inhalation. chest compressions allow the patient's muscles to wake up.

The same agricultural practices are used in every country of the world. select the best answer from the choices provided t f

What is used as a template during replication? a- mrna b- trna c- rrna d- dna