The 3rd,4th, and 5th are correct.
<span>in an environment where there is little or no oxygen. aerobic respiration requires oxygen ad when it is not present fermentaion (anaerobic respiration) occurs because it works when oxygen isn't there</span>
<span>Many Americans eat way too much sodium in their daily life, they are encouraged to have more potassium to counter act the sodium. High levels of sodium increases the risk of heart disease and even death. Reducing it or countering it with proper amounts of potassium reduces the risk of high blood pressure, stroke, heart failure, kidney damage, and heart disease.</span>
Explanation:
i would say a or c that is my answer