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If you make like a giant spaceship with enormous power to push and you take it to the moon can you push the moon or is

Why does the sun lighten our hair but darken our skin?

How can the sun make your hair lighter but make your skin darker?

Say if someone is in England and phones someone in Australia, how can they hear each other through the wireless phone?

Pretend you are on a brand new planet just like earth but without anything, just trees, plants & animals. How could you

How does a camera take a picture.