Question

I'm stuck on this question can someone please help me . I will be happy to give you a medal c:


14. Which of the following is the best example of a way human lifestyles affect environmental systems? (2 points)

A. Burning fossil fuels increases the amount of greenhouse gases in the atmosphere.

B.Deforestation causes water pollution by decreasing water vapor in nearby lakes and rivers.

C. Using aerosol sprays increases the amount of ozone (O3) in the atmosphere.

D. Using radioactive materials causes ground pollution when chlorofluorocarbons (CFCs) seep into the ground.

Answer 1

r u in 9th grade

Answer 2

yeah

Answer 3

i just finshed this lol

Answer 4

do you have the answers c:

Answer 5

i think it is A. Burning fossil fuels increases the amount of greenhouse gases in the atmosphere.

Answer 6

do you know the answers to the rest of them please

Answer 7

i only see one quetion

Answer 8

i'll comment the other questions hold uhp

Answer 9

15. Which of the following changes should be implemented to help achieve sustainable farming while also protecting the environment? (2 points)
A. clearing land for agriculture by cutting down trees instead of burning them
B. growing the same crop in a given field each year to improve efficiency
C. tilling the ground to remove weeds and create uniform crops
D. using predatory insects to control pests that destroy crops instead of pesticides

16. Which of the following best describes environmental parameters that should be examined before a city can build a landfill? (2 points)
A. how close the landfill will be to major cities and highways
B. if leakage from the landfill will be able to contaminate groundwater
C. what the costs involved in maintaining the landfill will be
D. whether there will be sufficient staff available to operate the landfill

17. Which of the following best describes what happens to water molecules after they have condensed to form clouds? (2 points)
A. They will combine to form runoff and flow into rivers, lakes, and oceans.
B. They will fall to Earth as precipitation in the form of rain, sleet, or snow.
C. They will undergo evaporation and change to a gas.
D. They will undergo transpiration and become water vapor.

18. Which of the following best describes a benefit of one type of nonrenewable energy? (2 points)
A. Coal is relatively inexpensive compared to other forms of energy.
B. Natural gas does not produce greenhouse gases as other energy sources do.
C. Nuclear power does not produce any form of pollution.
D. Petroleum can be found nearly anywhere and is easily extracted.

19. Which of the following best describes the long-term impact of using a renewable energy source? (2 points)
A. Biomass releases greenhouse gases when burned.
B. Geothermal energy can pollute water supplies.
C. Natural gas causes air pollution when burned.
D. Nuclear power produces harmful radiation.

Answer 10

dang girl hold on lol

Answer 11

alright thanks

Answer 12

15 is c

Answer 13

16 is b

Answer 14

17-b

Answer 15

18-a

Answer 16

19-a

Answer 17

i better get a medal.......please

Answer 18

and 14 is a