[ General Knowledge ]
About how many scents can a human nose remember?
A. Around 500
B. Around 10,000
C. Around 50,000
D. Around 1 million

Random Topics:
First Conditional, Future Time ClausesAlthough, Though, In spite of, DespitePresent Progressive or Present SimpleModal Verbs & Reflexive PronounsPronouns of QuantityAdverbs, Modals, Preposition of timeRelative ClausesPresent/Past/Future Continuous TenseTime Clauses of FutureAdjectives with -ED and -INGOther quiz:
Modal Verbs › ViewYou _______ to them about it at all. I had told you it was a secret!
A. needn’t have to talk
B. should not have talked
C. didn’t have to talk
D. may not have talked
Grammar › View
I love the animal _______Enrique is holding
A. who
B. where
C. that
Electricity Vocabulary › ViewWhat is the single resistance that could replace all resistors in a circuit without changing the total current or voltage?
A. Equivalent resistance
B. Parallel resistance
C. Series resistance
D. Ohm’s law
Grammar › View
Choose the synonym of miserable.
A. unhappy
B. exhilatrated
C. exhausted