Ok so I believe that skimming is just quickly reading through the passage to look for keywords through the text to get the general overview....but previewing is getting an idea of what the text is abt withought reading the main body of it. Hope this helps!
The doctor with the big forehead and big foreskin
Answer:
Explanation:The line that shows the value of the match its the second one it was a long, long time before they learned how to kindle one easily". The match allows humankind to handle fire easily.The match is a significant invention that was produced after a historical evolution of kindling fires.The main idea is how fire kindling evolved to what it is today.
It seems that your question misses relevant details so that we can provide the correct answer, but I hope this will help you. Context clues are words that are used as hints within a sentence in order to help provide meaning or understanding of a difficult or unfamiliar word. There are five types of context clues and the five types of context clues include Definition/explanation, restatement/synonym, contrast/antonym, inference/general context, and punctuation. Hope this helps.