What is a specific problem?
(inferred or explicit)

Choose the letter of the word that most clearly expresses the tone in each passage. if you are unfamiliar with any of the words, look them up before you select the correct answer. we have come together this afternoon to mourn the deaths of sixteen miners—our friends and neighbors—who were trapped by fire yesterday, deep below the earth. they lived bravely and they died too soon, leaving behind grieving wives and bewildered children. we bid them a final farewell. question 1 options: forgiving sorrowful angry amused

How is dr. lanyon characterized in the excerpt? as friendly as arrogant as wise as mournful

Based on his npr interview,"astrophysicist chroniclesbattle over pluto," why does dr. tyson believe that pluto is america's favorite planet?