Test Yourself

How Big?
(length)

How Many?
(count)

How Much?
(money)

How Long?
(duration)

How Heavy?
(mass)

How Fast?
(speed)

How Much?
(volume)

Surprise Me

Which of these is the least numerous? ...

Estimated world population of Harp Seal ...

Population of Hanoi, Vietnam ...

Population of Chengdu, China ...

Population of Shanghai, China ...

I've made my choice

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