What weakness does the following question have? how many alligators live in the everglades national park?
.the question cannot be answered with our current technology.
.the question needs to focus more on a relationship instead of just numbers.
.the question is too broad.
.the question is not answerable through observation.

the element that provides strength to the exoskeletons of clams and oysters is phosphorus.

this is so because calcium carbonate is the main component in the shells. calcium carbonate is strengthened by phosphorus.

explanation:

the answer is d. exposing corruption in the church

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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.