For the following reaction, identify whether the compound in bold is behaving as an acid or a base. H3PO4 + H2O ? H2PO4- + H3O+
A) acid
B) base
C) neither
D) both
E) none of the above
A
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The effects of global climate change are magnified in mountainside environments because
A) there are such narrow belts of different ecosystems that would shift abruptly. B) most climate models expect more significant warming in mountainous areas than elsewhere. C) soils are generally thicker in mountainous environments. D) biodiversity is generally less in mountainous environments than in adjacent flatlands.
Which disease transmitted by the tsetse fly affects cattle?
a. malaria b. nagana c. HIV d. AIDS e. tuberculosis
Deposits of sediments are usually thicker along passive continental margins.
Answer the following statement true (T) or false (F)
Large dams and reservoirs
A. reduce danger of flooding upstream. B. are inexpensive to build. C. cannot be used for outdoor recreation. D. can be used to provide electric power. E. improve ecosystem services.