What causes the breakdown of the ozone layer? select one: a. chlorine and bromine in chloroflourocarbons b. chlorine and flourine in chloroflourocarbons c. hydrogen and bromine in hydroflourocarbons d. hydrogen and flourine in hydroflourocarbons

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

What types of details should a draft of a research based essay contain? check all that apply-paraphrased information-information from questionable sources-facts that relate to the topic-quotations that illustrate ideas to convey-plagiarized information

On this map of the united states the letter h indicates high pressure and the letter l indicates low pressure . select the black arrow that accurately shows the direction of the wind.