Perguntas e Respostas

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32. Who was the first person to step on the moon? 
 a) Neil Armstrong 
 b) Buzz Aldrin 
 c) Michael Collins 
 d) Yuri Gagarin 
 Answer: a) Neil Armstrong 
 Explanation: Neil Armstrong was the first person to set foot on the moon during the 
Apollo 11 mission in 1969. 
 
33. What is the chemical symbol for oxygen? 
 a) O 
 b) Ox 
 c) Om 
 d) On 
 Answer: a) O 
 Explanation: The chemical symbol for oxygen is O, a vital element for respiration and 
combustion. 
 
34. Who painted "Starry Night"? 
 a) Vincent van Gogh 
 b) Pablo Picasso 
 c) Claude Monet 
 d) Salvador Dalí 
 Answer: a) Vincent van Gogh 
 Explanation: "Starry Night" is a famous painting by Vincent van Gogh, known for its 
swirling sky and bright stars. 
 
35. What is the chemical symbol for calcium? 
 a) Ca 
 b) Cl 
 c) Co 
 d) Ce