Like ________, humus is a catalyst for chemical reactions and a reservoir for plant nutrients and soil water
A) clay
B) mud
C) silt
D) cations
E) iron
Answer: A
You might also like to view...
Most water pollution associated with mining operations has to do with
A) water passing through mine wastes B) hazardous chemical spills C) improper disposal of incinerator ash D) failure of waste ponds
In January 2010, three California Condors died when they accidentally ate lead ammunition used to kill the animals they were consuming. The California Condors' deaths represent an example of
A) acute toxic effects of consuming high levels of lead. B) chronic toxic effects of lead resulting from biomagnification. C) chronic toxic effects of lead resulting from bioaccumulation. D) chronic toxic effects of lead resulting from biomagnification and bioaccumulation.
Which of the following is not an environmental control that may help determine the species which occupy an ecosystem?
a. the age of the ecosystem b. the intensity of sunlight c. the texture and chemistry of the soil d. other plants and animals
Explain run length code as a method for storing raster data.
What will be an ideal response?