The CO2 content of the atmosphere as measured at Mauna Loa, Hawaii, is highest in spring and lowest in autumn. Explain this seasonal pattern
What will be an ideal response?
Answer: During the summer carbon is removed from the atmosphere by photosynthesis and stored in biomass. During the winter respiration is greater than photosynthesis and carbon is returned to the atmosphere.
You might also like to view...
All of the following human activities will increase the sediment load in a river except
A) logging of forests on steep slopes. B) converting cropland to natural vegetation. C) surface mining for coal. D) large-scale construction projects.
The GDP and GPI/ISEW include calculations of the
A) labor that goes into housework, parenting, and volunteer work. B) cost of pollution. C) cost of crime. D) income from the sale of natural products.
These two rivers converge to form the Nile _____________ _______________.
Fill in the blank(s) with the appropriate word(s).
For that video game, describe how its "place" (real or imaginary) is depicted in the game and what role it plays in setting the stage
What will be an ideal response?