Plz i dont want any smart remarks i just want u to help me with my homework!?

1. Which of the following is the correct definition of biodiversity? (1 point)

contamination that does not come from a single source

organisms that are on the endangered species list

the variance of plant and animal species within an environment

raw materials derived from the environment

2. Which of the following laws was passed to protect the environment? (1 point)

the North American Fair Trade Agreement

the Patriot Act

the Clean Air Act

the Oceanic Use Act

3. Which of the following is the main component of smog? (1 point)


carbon dioxide



4. What was the time of greatest population growth in the world? (1 point)

the late nineteenth century

the mid-seventeenth century

the early twenty-first century

the mid-twentieth century

5. Which of the following is a result of a population reaching carrying capacity? (1 point)

shortages of food; not enough food for the population

surpluses of food; abundant food supplies

decrease in population due to disease

an earthquake destroys the population's habitat

6. Which of the following would NOT encourage a population to experience exponential growth?

(1 point)

a constant birth rate

a surplus of food

a lack of disease

a large-scale natural disaster

7. Which of the following BEST describes the concept of reclamation? (1 point)

using microorganisms to restore a polluted area

clearing naturally grown forests

creating new, habitable land out of riverbeds

using a natural resource over again

8. Which of the following is TRUE about fossil fuels? (1 point)

They are non-renewable.

They are renewable.

They are used to research the remains of early humans.

They are generated from the sun.

9. Which of the following are examples of fossil fuels? (1 point)

coal, petroleum, and wind power

coal, petroleum, and natural gas

petroleum, natural gas, and solar power

natural gas, coal, and wind power

10. Approximately what percent of Earth's species live in rainforests? (1 point)





11. Which of the following statements about rainforests is a myth? (1 point)

If deforested, rainforests can grow back.

Rainforest soil is not very rich.

Agribusiness is responsible for much of rainforest deforestation.

Farmers in South America are often paid to protect the rainforest.

12. Which of the following products comes from a non-renewable source? (1 point)


maple syrup


petroleum jelly

13. Which of the following best defines conservation? (1 point)

maintaining and protecting a resource

making new products out of raw materials

carefully and responsibly using a resource

exploiting and misusing a resource

14. Which of the following actions does NOT promote environmental sustainability? (1 point)

using a reusable coffee mug

recycling metal cans

putting paper in the trashcan

not letting the water run while brushing your teeth

15. Which of the following weather patterns bring cooler temperatures to the Pacific region? (1 point)

El Ni?o

La Ni?a

the Ice Age

global warming

16. Which of the following is true about Ice Ages? (1 point)

They are caused by man-made activities.

They are a feature of Earth's natural weather patterns.

They make Earth's overall temperature drop hundreds of degrees.

They occur every five years.

17. Global warming creates which of the following effects? (1 point)

change in population density

change in rainfall

change in human migration

changes in amounts of available fossil fuels

18. One-half of the world's energy comes from which source? (1 point)

hydroelectric power

fossil fuels

nuclear energy

solar energy

19. Hydroelectric power is what kind of energy source? (1 point)

one that comes from the sun

one that is generated by water

one that is produced by Earth's heat

one that comes from fossil fuels of the sea

20. Which of the following is a disadvantage of nuclear energy production? (1 point)

It requires much land to operate.

It disturbs populations of fish and other waterfowl.

It produces dangerous radioactive waste.

It requires wind to operate, and not all areas are windy


1) The variance of plant and animal species within an environment

2)the Patriot Act (not sure)

3) Carbon

4) the mid-twentieth century

5)shortages of food; not enough food for the population(not sure)

7)creating new, habitable land out of riverbeds (i think)


9)coal, petroleum, and natural gas


13)maintaining and protecting a resource

14) putting paper in the trash can

15)La Ni?a

16)They are caused by man-made activities.

17)change in rainfall

18)fossil fuels

19)one that is generated by water

20)It produces dangerous radioactive waste

Sorry thats all i can do