What best describes the impact of the eye color experiment on the students' academic ability/performance? It significantly affected their performance but only on the days of the experiment. The experiment had little to no effect on their academic performance It positively affected their performance long-term.​

Suggest why placing wheels under a heavy box reduces the neccessary force required to push it along at a constant speed.

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

An example of a trait that would be considered acquired and inherited is a. a cleft chin b. muscle tone c. scar tissue d. freckled skin