A woman has O negative blood and her husband has AB positive blood. CHECK ALL POSSIBLE blood types that a child born to these two could have A+
A-
B+
B-
AB+
AB-
O+
O-

i am positive it is c. condensing but i may be wrong

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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.