What is the difference between aerobic respiration and anaerobic respiration?

Consider the last statement in the prompt: "people take such environmental factors into account in their choices when deciding where to live." do all people have a choice as to where they live? what factor plays a key role in this decision and may therefore play a large role in determining quality of life?

Why does the skin of your finger shrink when you wash clothes for a long time?

How does the study of genetic disorders such as pku biologists understand normal alleles?