1) how many layers of the earth are there ? a) 6 b) 2 c) 3 d) 4 2) what is the hot substance at the centre of the earth ? a) lava b) fire c) magma d) ashes 3) how far away is the earths core a) 4000 miles b) 6400 miles c) 3200 miles d) 1250 miles 4) how hot is the centre of the earth a) 5000'c b) 7000'c c) 4000'c d) 8000'c 5) how long would it take to dig to the earths core a) billions of years b) millions of years c) thousands of years d) hundred thousands of years 6) true or false the earth has 4 layers a) false b) are you being dumb on purpose c) true d) Einstien should be scared 7) how deep is the crust a) 30 to 60 kilometers b) 80 to 90 kilometers c) 20 to 60 kilometers d) 20 to 80 kilomiters

layers of the earth

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