Quizzes & Puzzles15 mins ago
mos gk x word 4.11.07.
3 Answers
7 down 4&4 letters. 2 words.
A measure of the time taken for radioactivity of a given sample to fall by 50 percent.
27 Down 10 letters.
Substances derived from petrochemicals some used for sweetening.
A measure of the time taken for radioactivity of a given sample to fall by 50 percent.
27 Down 10 letters.
Substances derived from petrochemicals some used for sweetening.
Answers
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