unit 4
unit 8
unit 2
unit 5
unit 7
100

page 238 which layer of the earth is composed primary of nickel iron?

what is the outer core

100

page 653 an example of how construction can cause a non point source pollution?

what is runoff like sediment from construction sites

100

page 121 The best explanation of why large islands contain more speicies 

what is larger islands can support specialist species but also have high species richness 

100

page 366 urbanization

what is the growth of cities as more people move into urban areas

100

page 540 the main cause of climate change today

what is burning fossil fuels

200

page 238 the process of subduction

what is when one plate passes under another

200

page 653 Human wastewater results in which water-pollution problem

what is reduced concentrations of dissolved oxygen

200

page 121 why do distant islands have fewer species?

what is distant islands can only be colonized by species with the best dispersal abilities
200

page 366 sustainable devolpment

what is using resources in a way that meets current needs without harming future generations

200

page 540 what is ocean acidification?

what is The lowering of ocean of due to excess carbon dioxide dissolving into seawater

300

page 238 The process where the Hawaiian islands were formed 

what is a hot spot

300

page 653 teritiary treatment of waterwater

what is reduces eutrophication

300

page 125 primary succesion

what is the development of an ecosystem in an area with no soil, like after a volcanic eruption.

300

page 366 ecological footpringt

what is the amount of land and water needed to support a person's lifestyle 

300

page 540 carbon sequestration

what is the process of capturing and storing carbon dioxide to reduce climate change

400

page 238 how far will a plate travel in 60,000 years if it moves at a net rate of 25mm a year

what is 1,500m

400

page 654 (landfill fees- $70 a ton; incinerator fees $100 a ton) assume an incinerator can produce 500kwh of energy by incinerating 1 ton of waste and can sell electricity for 0.06/kwh. What is the overall dollar cost of incineration relative to a landfill?

what is they are the same

400

page 125 keystone species 

what is a species that has a major effect on its ecosystem despite having a small population

400

page 366 tragedy of the commons

what is when a shared resource is overused because indicuals act based on self intrest

400

page 540 A power plant emits 450 tons of carbon each day. If new tech cuts emissions by 40%, how many tons of carbon diozide will the plant emitper day afterward

what is 270 tons

500

page 238 an earthquake of magnitude 7.0 on the ritcher scale is how much greater than an earth quake of magnitude 5.0?

what is 100

500

page 653 which organic substance is naturally occuring in rocks soluble in ground water, and toxic at low concentration?

what is arsenic

500

page 125 a population of deer grows from 200 to 260 deer, what is the percent increase

what is 30%

500

page 366 a cities population grows from 80,000 people to 100,000 people what is the percent increase

what is 25%

500

page 540 which green house gas is the most abundant in earths atmosphere

what is water vapor