stud
bud
Sign up
Log in
Home
Library
Explore
SAT
More
Do you know who...? Flashcards | StudBud
Do you know who...?
1 / 10
He is the person who detected electromagnetic radiation first.
A
Charles Darwin
B
Conrad Röntgen
C
Isaac Newton
D
Elon Musk
Next
0
0
correct · 0:00
