Which of the following is true about earth's freshwater, air, soil and trees? a. although these resources are renewable, they present very few benefits for humans. b. although these resources are renewable, their present benefits can be reduced if used carelessly. c. although these resources are nonrenewable, humans don't have to worry about conserving them. d. these resources are nonrenewable, so humans must stop using them if they are to survive.

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

The serengeti plains are part of the african savanna ecosystem and are home to a variety of different species of plants and animals. the serengeti plains experience a seven-month period of seasonal drought each year, during which the ecosystem receives only four inches of rain and the availability of some resources becomes very scarce. which type of limiting factors does the seasonal drought in the serengeti plains affect?

What is the net atp production at this stage of cellular respiration? 2atp aatp 32 atp 36 atp