definition
Geology A group of strata representing a single chronological sequence;The action or process of inheriting a title, office, property, etc
sentence
Deep drilling in the southern Tyrrhenian Sea floor revealed a continental and oceanic substratum covered by upper Miocene and younger sedimentary successions.
The new king was already elderly at the time of his succession.
The new king was already elderly at the time of his succession.
difficulty
medium
toefl frequency
1
toefl classification