Children's Encyclopedia1976 |
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Pàgina 16
... land were plants that grew along the water's edge . Fishes swam into the shallows to eat the insects that crawled over the plants . Some of the fishes could breathe out of water and they had strong fins which they could use as legs . On ...
... land were plants that grew along the water's edge . Fishes swam into the shallows to eat the insects that crawled over the plants . Some of the fishes could breathe out of water and they had strong fins which they could use as legs . On ...
Pàgina 35
... land . Perhaps some day we will find ways of growing useful crops in the world's deserts . The World's Deserts About a fifth of all the world's land is desert . The biggest desert is the Sahara Desert in Africa . There are also big ...
... land . Perhaps some day we will find ways of growing useful crops in the world's deserts . The World's Deserts About a fifth of all the world's land is desert . The biggest desert is the Sahara Desert in Africa . There are also big ...
Pàgina 40
... land than at anything else . They are able to grow enough to feed over 5,000 million people . Everywhere in the world , men till the soil and raise animals for food . Our meat comes mainly from cows , pigs , chickens and sheep . Less ...
... land than at anything else . They are able to grow enough to feed over 5,000 million people . Everywhere in the world , men till the soil and raise animals for food . Our meat comes mainly from cows , pigs , chickens and sheep . Less ...
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