Question

10 questions for Science quiz on one certain topic.(BUT NOT SO HARD)

Answer 1

here is answer................................

1 human being normal pulse rate?
2 human being blood pressure normal?
3 human being blood group who developed?
4 human being blood group types?
5 blood red because?
6 human being 1 years pulse rate
7 a muscular organ that human being pump blood
8 human heart in how chamber
9 deoxengenated blood carry?
10 blood circulation who developed

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Answer 2

Why is the sky blue? Why is centre of the earth too hot?  Why do our nose bleeds at high altitude?  Why do we say that when two objects rubbed they acquire equal and opposite charge?  How old is the earth?  How do natural selection works?  Where is the minimum air pressure?  Where is the maximum air pressure? What is hybridization?  What is emasculation?