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Extremely Hard Science Quiz Even Einstein would scratch his head!

Question 1
Which of these does not use plasma?
Question 2
The Alaska current is in which ocean?
Question 3
In degrees Celsius, at what temperature does the sea start to freeze?
Question 4
Dogs' unique relationship with humans mean they are referred to as man's best what?
Question 5
How many moons orbit Mars?
Question 6
Which number group in the Periodic Table contains oxygen?
Question 7
The wreck of The Umbria lies in which sea?
Question 8
How long can a dolphin stay under water?
Question 9
Iapetus is a moon of which planet?
Question 10
What is Hg the chemical symbol for?
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