Neurotransmitters work locally and their actions are very fast. Both hormones and neurotransmitters act as chemical messengers in the body. However, neurotransmitters' actions are short-lived while hormones act for longer periods of time. Neurotransmitters are delivered through the bloodstream, whereas hormones are found primarily in the synaptic cleft. Hormones are mostly released by glands, whereas neurotransmitters are made in the cell body of the neuron.
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The CORRECT answer is C as the birth weight distribution and hence its histogram should be symmetrical from its mean value.
It is important so that some people be ethnic so that those cultures and beliefs do not die off but it is also important for people to evolve as well which is why it is important for some to not be ethnic.