Simplify the following text for a Grade 7 native English-speaking person.
Original: The highest elevation is 4.5 m above sea level , which gives Tuvalu the second-lowest maximum elevation of any country ( after the Maldives ) .
Simplified: The highest height is 4.5 m above sea level , which gives Tuvalu the second-lowest highest elevation of any country ( after the Maldives ) .