If a slide is being viewed with the high power objective which adjustment knob should be used to sharpen the focus

Acar traveld with an average speed of 60 miles per hour for 2 hours. how far did it travel

What do scientists need to look at before developing an argument

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