Global climate change may produce major shifts in biomes for any given location because ________
A) soil chemistry, pH of precipitation and the frequency of invasive species will change
B) biodiversity and day length will change
C) mean temperature, precipitation and salinity will change
D) food web dynamics will change
E) many species may become extinct
C
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What was depicted on the Ara Pacis?
A) Augustus and the members of the imperial only, dressed up as gods B) Mythological scenes, and members of Augustus' imperial family C) Flowers and nature scenes, symbolizing peace and renewal D) Mythological scenes, and the deified Julius Caesar
What kind of waves are tides?
a. Standing waves b. Free waves c. Forced waves d. Transitional waves
The oozes on the seafloor mostly consist of ____
A) boulders and cobbles from glaciers oozing off the land B) bones and teeth of bottom-dwelling fishes C) fine muds washed down the continental slope to the seafloor D) microscopic hard parts of single-celled living organisms
What does a profile of a river from its headwaters to its mouth typically show?
A. a curved shape that flattens out downstream B. an abrupt increase followed by a gradual decrease C. an increase in gradient downstream D. a straight-line profile reflecting a constant decrease in gradient E. None of these choices are correct.