[ Vocabulary ]
__________ is a technique in which scientists calculate the age of a sample based on the amount of remaining radioactive isotopes it contains
A. isotope dating
B. retroactive dating
C. radioactive dating
D. index fossilization
Random Topics:
Gerund or InfinitivesAbstract NounsFuture Tense - will and going toWill and Going toCompliment, Congratulation, and HopeRelative Pronouns with PrepositionsSimple Present and Past TensesFormal & Informal WordsNouns as AdjectivesSimple and Progressive Verb TensesOther quiz:
Grammar › ViewThey eventually found the dog after they______for it all night
A. have been looking
B. had been looking
C. were looking
Grammar › View
She….. in the same school for ten years.
A. worked
B. has worked
Homonyms › ViewHe had no food, the poor ___.
a. retch
b. wretch
Vocabulary › View
Agreement between two or more sides in which each side gives up some of what it wants.
A. compromise
B. cabinet
C. bicameral
D. amendment