20-30 words to each questions  i need this in 7 hours

Q1. Define big data and discuss key attributes that define big data characteristics.
Q2. Distinguish between business intelligence and data science.
Q3. Outline the profile of a data scientist listing their main skills and behavioral characteristics.
Q4. Discuss how big data is shaping a new approach to analytics.
Q5. Provide examples of big data analytics in health care and public services.