I think it's believed that an asteroid that hit Earth caused their extinction.
of which class is this question
Run queue. They can also be waiting on I/O.
Answer:
B
Explanation:
Self Explanatory - It is melted into a liquid then poured into a mold. It cools and becomes solid.
Answer:
C) Social media
Explanation:
Social media is a vital marketing tool in the modern era. Aside from posting photos or status updates, using social media for customer service can elevate your business to the next level. Social media has strong potential to better address customer service issues. And if you address and resolve customer concerns over social media in short enough time, the exchange can help you create a loyal customer base.
