[ 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:
Vocabulary › ViewWhat does “caution” mean?
A. Safety
B. A time when fruits and vegetables are ripe
C. Center, basic part
D. A rip or tear
Phrasal Verbs › View
The house prices have ______________ down since lockdown began.
A. come over
B. come through
C. come down
D. come across
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