Children's Encyclopedia1976 |
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Pàgina 12
... look at the full moon on a clear night we are often surprised how brightly it shines . But the moon is not giving out any light at all . All it is doing is reflecting light from the sun . The picture below shows what hap- pens ...
... look at the full moon on a clear night we are often surprised how brightly it shines . But the moon is not giving out any light at all . All it is doing is reflecting light from the sun . The picture below shows what hap- pens ...
Pàgina 23
... look closely at an insect's eyes , you will see that they are very different from our own . Their eyes are made up of hundreds of tiny cone - shaped ' lenses ' . Each one looks in a slightly different direction and works like a separate ...
... look closely at an insect's eyes , you will see that they are very different from our own . Their eyes are made up of hundreds of tiny cone - shaped ' lenses ' . Each one looks in a slightly different direction and works like a separate ...
Pàgina 25
... look after them until they are able to fend for themselves . The most primitive mammals are called Monotremes . There are only two kinds – the duck - billed platypus and the spiny anteater . They are the only mammals that lay eggs ...
... look after them until they are able to fend for themselves . The most primitive mammals are called Monotremes . There are only two kinds – the duck - billed platypus and the spiny anteater . They are the only mammals that lay eggs ...
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