Ineed 98 points will be added to your account when you answer these questions

1. describe the main factors that led to a boom in the human population size in the last 300 years.

2. population a contains 450,000 people and has a 3.3 percent annual growth rate. population b has 900,000 people and a 1.8 percent annual growth rate. which population would increase by more people in one year? explain

3. describe the relationship between population density and population distribution.

4. as people become more concentrated in cities, some pressure on ecosystems in areas that are not less populated eases. why do you think this is the case?