Which of these is needed in order to Drive the movemnt of ATP Synthase a. The Hydrogen atoms crossing through the protein complex, going from a High Concentration in the Stroma To a Low!Concentration in the Thylakoid Lumen
b. None of these
c. The Hydrogen atoms crossing through the protein complex, going from a High Concentration in the Thylakoid Lumen To a Low
Concentration in the Stroma
d. Oxygen waste produced by photosynthesis

Which property is used to identify the origin of an igneous rock? color density hardness crystal size

Melting glaciers is a serious threat to the environment what is the possible consequence of melting glaciers on polar bears?

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