25 points! 16. explain how technology and science are related. 17. the study of an organism that lived 10 million years ago would most likely fall under which two branches of natural science? 18. what is the difference between a scientific law and a scientific theory? 19. describe a possible order of steps of a scientific method used in an investigation.

Most of the fossils found in virginia are in the coastal plain, valley, ridge, and appalachian plateau regions, best suggesting that these geographic provinces a) were once covered by seawater. b) are the oldest parts of virginia. c) have a great deal of karst topography. d) have large amounts of sedimentary rock.

Describe the response the kidneys have to dehydration and excessive water intake. what happens to the concentration of urine in each case ?

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