<span>An expert is someone who expends the least amount of energy for the greatest result.
We call a person an expert if he performs really perfectly as compared to the newcomers because he is highly trained and professional and has the abilities to a specific art. Expertise is usually measured on the basis of intelligence and activeness together. Experts can never be seen unconfident in doing their job.
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Answer:
vitamin D? Im not sure so check in with other people and do some more research.
Explanation:
Answer:There is no risk-free level of exposure to secondhand smoke. Secondhand smoke causes numerous health problems in infants and children, including more frequent and severe asthma attacks, respiratory infections, ear infections, and sudden infant death syndrome (SIDS).
