The only central American country that starts with an 'e' is El Salvador. This should narrow your options.
El Salvador
which central American country has the fewest climate zones
El Salvador has the shortest coast on the Caribbean sea among the Central American countries.
Nicaragua is the Central American country that contains the largest body of fresh water in Central America.
El Salvador is the only Central American country without an Atlantic coast. It is bordered by Guatemala to the west, Honduras to the north and east, and by the Pacific Ocean to the south.
Panama is a Central American country that was previously a part of what was known as Gran Colombia until it seperated and became an independent country.
Panama
Panama
No, USA
Honduras
Guatemala is considered a Central American country.