What are some of the factors that can cause a country’s Gross Domestic Product (GDP) per person to change?

d is the correct answer.

b is incorrect because it makes food by itself

c is incorrect because us humans don't know how to produce their own food using the sun like plants.

a is incorrect because consumers can depend on carnivores for eating food for consumers to eat the dead organism. same thing with omnivores.

step 1. boil eggs

step 2.eat eggs

step 3. get your hot poonts ready

barack obama he actually listens

i heard they are taking it off i hope this isn't true but otherwise if it doesn't get taken off it will probably be in early december or early january of 2018-2019