What do image one in the text in the introduction paragraph one through four explains? A) how the shape of the substrates allows them to fit into an active site

B) how active site on enzymes help substrates to speed up reactions

C) how substrates change shape to create active site on enzymes

D) how active sites create new products out of substrates

1. emigration the movement of people from one place to another 2. immigration a situation in which resources are being used up at a faster rate than they can be replenished 3. migration the leaving of one's homeland to settle in a new place 4. overpopulation the movement of people to a new country 5. sustainable development a situation in which the birth rate is not sufficient to replace the existing population 6. underpopulation the ability to meet current needs without reducing the ability to meet future needs 7. unsustainable development the increase in the population of a city 8. urbanization a situation in which the number of people exceeds the available natural resources in an area