All arthropods share certain key characteristics because . Select one: a. these characteristics are beneficial b. these characteristics are common to all protostomes c. these characteristics were found in the common ancestor to all arthropods d. these characteristics are found in aquatic organisms

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what do the different brain waves do?

explanation:

brainwaves are produced by synchronised electrical pulses from masses of neurons communicating with each other. brainwaves are detected using sensors placed on the scalp. brainwave speed is measured in hertz (cycles per second) and they are divided into bands delineating slow, moderate, and fast waves.

answerdendrites; blank(2) axons;