In aquatic biomes,
A) as water temperature increases, dissolved oxygen content does too.
B) organisms must spend their whole life cycle in either a saltwater or freshwater biome.
C) chlorophyll concentration is an index of net primary productivity.
D) anadromous and catadromous fish can tolerate waters with virtually no dissolved oxygen.
C) chlorophyll concentration is an index of net primary productivity.
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Which of the following can cause a seiche?
A. convection over a large land mass B. very strong winds C. high mountains interfering with a westerly wind flow D. wind shear at very high altitudes
There are many different strategies for reducing anthropogenic emissions of carbon. Determine whether the given strategy is an example of 1) energy efficiency and conservation; 2) a change in energy source; 3) a change in transportation energy source; or 4) an increase in natural carbon sinks.Bill decides to go "off the grid," installing photovoltaic (PV) cells on the roof of his house to generate his own electricity instead of relying upon the energy generated by the local coal power plant.
A. Energy efficiency and conservation B. Change in energy source C. Change in transportation energy source D. Increase in natural carbon sinks E. This is not a strategy to reduce carbon emissions
What process in plants converts carbon dioxide and water to sugar and oxygen?
A. transpiration B. respiration C. photosynthesis
Greenhouse gases in the atmosphere
A. have decreased over the past fifty years. B. prevent sunlight from reaching Earth's surface. C. trap outgoing heat radiated by Earth's surface. D. All of the choices are correct.