Which equation is most likely used to determine the acceleration from a velocity vs. time graph?

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The series of transgressions and regressions that produce cyclothems were likely produced by

Which of the following is not a symptom of desertification? a) decrease in salt content of the soil b) lowering of the water table c) reduced surface water d) increased soil erosion e) loss of native vegetation

“in 1492 columbus sailed the ocean blue” is an example of: a)explicit memory b) procedural memory c) semantic memory d)episodic memory