Can someone answer this one?










1. The burning of fossil fuels has the greatest and most direct impact on the
a.rock cycle
b. nitrogen cycle
c. carbon cycle
d. water cycle


2. Carbon is used to make sugars(chemical energy) in which step of the carbon
cycle?
a. Digestion
b. transpiration
c. photosynthesis
d. respiration


3. Carbon is removed from the atmosphere through what process?
a. photosynthesis
c. burning fossil fuels
b. respiration
d. deforestations


4. Where are carbon stores in the largest amounts on Earth?
a. Lithosphere
b. ice caps
C. Oceans
d. atmosphere


5. Which is the possible path of movement of nitrogen in the nitrogen cycle?
a. soil-animals-plants-air-soil
c. soil-air-plants-animals-soil
b. air-animals-soil-plants-air
d. air-soil-plants-animals-soil-air

6. What are the primary sources of energy that drive the movement of matter among
reservoirs?
a. the Sun and the plants
c. solar and geothermal
b. animal and solid Earth
d. plants and animals

7. of these factors, which is most directly responsible for the creation of fossil fuels?
a. Pressure
b. erosion
c. displacement
d. tectonic activity


8. Movement of carbon from the lithosphere to the atmosphere can be accomplished
by__________.
a. respiration
c. photosynthesis
b. the burning of fossil fuels
d. all of the above


9. In which reservoir is dissolved carbon dioxide abundant?
a. Oceans
b. fossil fuels
c. plants
d. organic waste

10.Most common is held in the lithosphere in which form?
a.carbon monoxide
b.methane
c.carbon dioxide
d.limestone

11.Biogeochemical cycles are also known as _______.
a.material cycling
b.gaseous cycle
c.sedimentary cycling

12.which one is sedimentary cycle?
a.oxygen cycle
b.hydrogen cycle
c.nitrogen cycle
d. phosphorus cycle

13.the phosphorus cycle lacks a/an________component
a. mineral
b.aquatic
c.organic
d. atmospheric

14. the global hydrologic cycle supports a net flow of atmospheric water vapour from
a.land to ocean
b.the oceans to land
c.polar to tropical regions
d. tropical to polar regions

15.which of the following is not gaseous type of cycle?
a.carbon cycle
b. nitrogen cycle
c. phosphorus cycle
d. oxygen cycle


Subject:Environmental Science ​