A
B
100

How many is the largest country in the world?

a) 19 millions

b) 18 millions

c) 17 millions

c) 17 millions

100

How many bones are in the adult human body?

a)206

b)210

c)123

206

200

How many kilometers away is the Earth from the Sun?

a) 149,600,000 km

b) 149,000,000 km

c) 49,000,000 km

a) 149,600,000 km

200

How many words are estimated to exist in the english languaje?

a) 170,000

b) 130,000

c) 120,000

a) 170,000

300

How many neurons are the estimated to be in the human brain?

a)86,000,000

b)86,000,000,000

c)86,000

b)86,000,000,000

300

How many stars are estimated to be in the Milky Way galaxy?

a)100,000

b)100,000,000

c)100,000,000,000

c) 100,000,000,000