An implicit detail is a hint or seggestion.
It would be flat to rolling hills
Answer:
C :natural gas
Explanation:
Natural gas is a mixture of gases which are rich in hydrocarbons. All these gases (methane, nitrogen, carbon dioxide etc) are naturally found in atmosphere. Natural gas reserves are deep inside the earth near other solid & liquid hydrocarbons beds like coal and crude oil. Also it's an item for natural resource.
Explanation:
The typical folk song is strophic. The tune repeated several time with successive stanzas
Of a poem. Tunes may have from two to eight lines, but most often there are four. The music iterrrelationship among lines I'd described as folk.
