Plants are important to the development of karst primarily because
A) openings adjacent to their roots serve as microchannels that allow water to enter the rock.
B) the decay of large roots below the surface produces cavities which eventually enlarge to form caves.
C) they supply organic acids that enhance the dissolution process.
D) None of the aboveplants play no role in the development of karst.
Question 2
Which of the following is not necessary for well-developed karst to develop?
A) high proportion of calcium carbonate in the rock
B) joints in rock of otherwise low permeability
C) vegetation
D) arid conditions
The testes. In addition to producing sperm, the testes secrete the male sex hormones, primarily test
Child development varies and is hard to predict
Anatomically modern humans left archaeological clues, including evidence of burials, which indicate
Largest nitric acid plants in the United States
Plants and most microorganisms use O-acetylserine as the substrate reacting with H2S
Red, fleshy fruits of hawthorn plants (Crataegus) are an important food for cedar waxwings (Bombycil