Running is being used as a gerund working as a noun
Former South African President and civil rights defender Nelson Mandela dedicated his life to fighting for equality and ultimately helped overthrow South Africa's racist apartheid system. His accomplishments are now celebrated each year on July 18, International Nelson Mandela Day.
Answer:
A. In pedometer, ped comes from the Latin pedis, which means "foot."
Explanation:
Etymology is the study of the history of words. Basically, you want to find out the origins of the word. Therefore, A is the correct choice as it describes how the word "pedometer" came to be, originating from the Latin word meaning foot. Etymology is not the synonyms, definition, or pronunciation of a word and thus you can rule out B, C, and D.
Overall, either by ruling out choices or by the definition of etymology, A is the correct answer.
i think its the first one because having n adult around is good but not always effective and having no friends makes no sense. i guess the last one makes sense but its not very relivant to the question so-