What was an effect of the tanks, trenches, planes, bombs, machine guns, total war involvement of civilians for wartime production, and other innovations of World Wars I AND II? A. The survival of precious art and architecture.

B. The cooperation of all countries in the League of Nations.

C. The development of farming innovations.

D. The deaths of tens of millions of people in both conflicts.

Match your vocabulary word to its definition. 1. emigration 2. immigration 3. migration 4. overpopulation 5. sustainable development 6. under population 7. unsustainable development 8. urbanization the movement from one place to another the number of people exceeds the available natural resources in an area leaving one's homeland to settle in a new place the increase in the population of a city the movement of people to a new country the ability to meet current needs without reducing the ability to meet future needs resources being used up at a faster rate than they can be replenished birth rate insufficient to replace the existing population

Which of the following is a measure of the amount of light a star directly emits? a. luminosity b. wavelength c. brightness d. intensity

The separation of northern ireland from the republic of ireland is an example of