What was Marco’s height when he was 12 years old?
170 cm
What was Marco’s height when he was 14 years old?
190 cm
What was Marco’s height when he was 18 years old?
190 cm
How old was Marco when he was 110 cm tall?
6 years old
How old was Marco when he was 150 cm tall?
8 years old
In 2010, what was the population of hippopotamus?
34
How many hippos were there in 2007?
26
When was the lowest population of hippos?
In 2005
When was the highest population of hippos?
In 2010
In which year did the hippo population reach 30 in number?
In 2008
