1) Which is good for yours stomach a) b) 2) Which part of body pumps the blood a) Heart b) lungs c) kidney d) bladder 3) Which layer of the earth we live on a) crust b) innner core c) Mantle d) outer core 4) What force keeps us on the ground a) crust b) Gravity 5) What is the name of our galaxy a) Milky way b) stars 6) which planet is known as the red planet a) Mars b) Jupiter

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