Question

Increased amounts of carbon dioxide in Earth's atmosphere may be leading to _____.



a
formation of a hole in the ozone layer.
b
increasingly rapid climate change.
c
more photochemical smog.
d
a decrease in the greenhouse effect.
Question 2
The diagram below shows the carbon cycle.

Which of the following processes is the BEST description of humans burning fossil fuels?





a
combustion
b
decomposition
c
photosynthesis
d
respiration
Question 3




Process #2 in the picture add carbon dioxide into the atmosphere by means of

a
photosynthesis
b
transpiration
c
respiration
d
decomposition
Question 4
Directions: The diagram below models part of the phosphorus cycle. Use the diagram to answer any questions that follow.



How is phosphorus transferred between animals and soil at N?

a
When heavy winds blow, it is eroded off of living things.
b
Consumers exhale it as a gas that is fixed by bacteria in the soil.
c
When animals move, it is released into the soil.
d
Decomposers break it down from wastes and dead animals.

Answer 1

can you answer all the questions plz