1. rock made from particles deposited by running water metamorphic
2. outer shell of the earth
crust
3. central sphere of iron
igneous
4. rock cooled from magma
sedimentary
5. interior layer of rock
Newton
6. first to calculate earth's variable diameter
mantle
7. rock changed by heat and pressure
core

Which of these organisms have the greatest amount of cell specialized

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

Long term exposure to waves can cause sunburns and skin cancer.