asked 156k views
5 votes
Which of the following is an example of a breakthrough?

a
a new cure for a rare disease
b
a perfect score on a college exam
c
a climb to the top of Mt. Everest
d
a non-stop swim across the English Channel

1 Answer

5 votes

Answer:

A

Step-by-step explanation:

answered
User Jeff Mikels
by
7.3k points
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