Transcript text: Find the union of the sets.
\[
\{2,4,6\} \cup\{1,3,5,7\}
\]
Choose the correct answer below.
A. $\{2,4,6\} \cup\{1,3,5,7\}=\varnothing$
B. $\{2,4,6\} \cup\{1,3,5,7\}=\{1,3,5,7\}$
C. $\{2,4,6\} \cup\{1,3,5,7\}=\{1,2,3,4,5,6,7\}$
D. $\{2,4,6\} \cup\{1,3,5,7\}=\{2,4,6\}$