The two types of carbohydrates are common and rare simple and complex single and double primary and secondary

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?

How do accessory pigments chlorophyll?

What is the primary goal of human communities?