The term "old-growth forest" refers to any tract of land in which a majority of the trees are over 100 years old.
Answer the following statement true (T) or false (F)
False
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How are tree rings used as proxy data to provide an indirect record of past climate conditions?
a. ?Tree rings are thicker and the wood is denser when growing conditions are better. b. ?Tree rings are thicker and the wood is lighter when growing conditions are better. c. ?Tree rings are thinner and the wood is denser when growing conditions are better. d. ?Tree rings are thinner and the wood is lighter when growing conditions are better. e. ?Because of variable moisture levels, tree rings cannot be used as proxy data.
Marine phosphate is an example of which of the following sediment types?
A) Biogenous Sediment B) Cosmogenous Sediment C) Hydrogenous Sediment D) Lithogenous Sediment E) Terrigenous Sediment
About ________ percent of Australia's agricultural land is used for food crops, with a further ________ percent devoted to profitable dairying herds grazing on improved pastures and grasses
A) 5; 5 B) 11; 15 C) 22; 3 D) 6; 50
The inability of central city areas to generate sufficient tax revenue is due to all of the following except
A) decentralization of cities. B) loss of residential taxpayers. C) increased demands for social services. D) increased demands for infrastructure repairs. E) inadequate collection mechanisms.