Gary lives near an intersection. In his hole, he can hear cars honking. However in his bedroom, he cannot hear any cars honking. In this scenario, the volume of the car honks in Gary’s bedroom fall below his

Expectation
Arbitrary value
Absolute threshold
Upper limit

Explain why phospholipid molecules form a bilayer. (3 marks)

What are tissues? a groups of tissues that work together b basic units of structure and function c groups of cells that perform the same function d multiple organs that perform a major function

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