PLS HELP :( WILL GIVE BRAINLIEST + 25 POINTS

Polar zones are cold and tend to be dry because of a pressure system of cold. low high

An infection of the pulp and the surrounding tissue in the mouth is called

Influenza (the flu) is caused by a virus that attacks the respiratory system. which type of gene is most likely to be widely expressed in the body of someone who contracts the influenza virus? a the gene that controls the production of stem cells b the gene that controls the production of skin cells c the gene that controls the production of red blood cells d the gene that controls the production of white blood cells