Which country hosted the COP28 climate summit in 2023? Answer with the country name only.
Sound travels faster in water than in air. Answer true or false.
In what year did the Cassini spacecraft end its mission by plunging into Saturn? Answer with the four-digit year only.
In what year were the first modern Olympic Games held? Answer with the four-digit year only.
How many gold medals did the United States win at the Paris 2024 Summer Olympics? Answer with the whole number only.
In what year did Czechoslovakia split into the Czech Republic and Slovakia? Answer with the four-digit year only.