Which of these locations is a peninsular country?
a. brunei
b. timor-leste
c. indonesia
d. vietnam

D)Vietnam is a peninsular country. It shares a border with China, Laos and Cambodia. In fact, many of the countries around Vietnam are closely attached and jut out into the ocean. Vietnam's capital is Hanoi and is the easternmost country in the Indochina Peninsula in Southeast Asia. It is also the world's thirteenth most populated country.

Internal combustion engines