The ph scale measures the acidity or the basicity of a solution. solutions that have a ph below 7 are acids. solutions that have a low ph are more acidic than solutions that have a higher ph. the graph below shows the ph of four common fruit juices.

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The type of functional response expected of the eastern  kingbird in order  to increase insect prey abundance is the type ii functional response. this is characterized by a decreasing intake rate wherein it is assumed that the consumer is restricted by its capacity to process its food. in this regard, to increase insect prey abundance, the consumption of the eastern kingbird must decrease.