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Hello, young learners. I am Kiki, a scientist and I love science. Welcome to my Knowledge Corner! I am so...
After a good heavy meal or after you have some lime soda, you let out a big, loud burp! This...
Hello, young learners. I am Kiki, a scientist and I love science. Welcome to my Knowledge Corner! I am so...
After a good heavy meal or after you have some lime soda, you let out a big, loud burp! This...