observe the cartoon on the next page. Identify each simple machine represented in the machine. your choices will be:lever, inclined plane, pulley, wedge, screw,,wheel and axel, and pendulum.(not really a simple machine, but will be ok in this worksheet)quixlet

Iwill give brainiest to first person who gets it ! what are 3 basic types of interactions we see in an ecosystem?

Which equation is used to calculate the magnetic force on a charge moving in a magnetic field

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