Answer:Prescient means knowing things before they happen. Retrospect mean to look back. Monophonic Means one sound. Seceded Means to go away. Dermatology Means to study of skin.
Retrospect I should’ve went to a dermatologist when I was young.
I believe sound is a form of energy
A subject and a predicate
The force of a country by adding up all their resources and powers for their survival and development and the international influence