During the past decade, doctors have noted the appearance of several super bugs, which are bacteria that show multiple resistances to hand sanitizer. the development of these super bugs has been linked to the overuse of hand sanitizer. which of the following is the best explanation for the increase in the appearance of these super bugs?

the oxygenated blood then leaves the lungs through pulmonary veins, which return it to the left heart, completing the pulmonary cycle. this blood then enters the left atrium, which pumps it through the mitral valve into the left ventricle. from the left ventricle, the blood passes through the aortic valve to the aorta.

deoxygenated blood leaves through the right ventricle through the pulmonary artery. from the right atrium, the blood is pumped through the tricuspid valve (or right atrioventricular valve), into the right ventricle.

"do a testcross with a homozygous recessive plant."