Pao Bei quiz

How much teeth does an adult person have?

• 30

• 31

• 32

• 33

How many bones does a person have?

• 205

• 206

• 207

• 208

How many countries are there in the world?

• 195

• 196

• 197

• 198

How many people are there in the world this year?

• 7.5B

• 7.6B

• 7.7B

• 7.8B

What is the fastest animal in the world?

• Cheetah

• Peregrine falcon

• Pronghorn

• Springbok

What is the slowest animal in the world?

• Tortoise

• Sloth

• Snail

• Slug

How many animals are existed in the Earth?

• 8.5M

• 8.6M

• 8.7M

• 8.8M

How much countries are there in Asia?

• 48

• 49

• 50

• 51

How much countries are there in Africa?

• 52

• 53

• 54

• 55

How many microorganisms are there in the world?

• one thousand

• one million

• one billion

• one trillion