Question

complete the sentence with the correct plural.
members of the north atlantic treaty organization (nato) send their

to periodic summits, which occur when new policies are introduced or when new members are added.
head of state

Explanation:

Se debe formar el plural de la expresión compuesta "head of state". Para sustantivos compuestos que terminan en "of state", el plural se forma cambiando el sustantivo principal ("head") a su forma plural, manteniendo el resto de la expresión igual.

Answer:

heads of state