Can any one send science questions!
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1 What is the universe made of? Astronomers face an embarrassing conundrum: they don't know what 95% of the universe is made of. ...
2 How did life begin? ...
3 Are we alone in the universe? ...
4 What makes us human? ...
5 What is consciousness? ...
6 Why do we dream? ...
7 Why is there stuff? ...
8 Are there other universes?
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Answer:
What you mean by rectilinear propagation of light?
Write an activity to show that white light consists of seven colours.
Differentiate between Arteries and veins.
What is a light year?
What is lichens?
Why do organisms take food?
Give 2 examples of conductors and insulators of heat.
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