Children's Encyclopedia1976 |
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Pàgina 32
... Arctic bird . In winter its feathers are white , so that it can hardly be seen against the snow . As summer comes , the ptarmigan's feathers turn reddish brown . The Arctic - an The northern polar region is the Arctic . It stretches ...
... Arctic bird . In winter its feathers are white , so that it can hardly be seen against the snow . As summer comes , the ptarmigan's feathers turn reddish brown . The Arctic - an The northern polar region is the Arctic . It stretches ...
Pàgina 36
... Arctic and the Antarctic , and in hot , dry deserts . Making Sure of the Future At one time more of the earth was covered by forests than it is now . But over the ages many of them have been cleared away by man to make room for farming ...
... Arctic and the Antarctic , and in hot , dry deserts . Making Sure of the Future At one time more of the earth was covered by forests than it is now . But over the ages many of them have been cleared away by man to make room for farming ...
Pàgina 61
... Arctic 32 , 33 Armor 48 , 50 Armored car 51 Armstrong , Neil 13 Assembly line 57 Assyrians 47 Atomic power station 15 Avalanche 39 Aztecs 46 B Badger 29 Balloon , hot air 11 , 58 Bathyscaphe 18 Bayeux Tapestry 9 Bear 36 Beaver 28 ...
... Arctic 32 , 33 Armor 48 , 50 Armored car 51 Armstrong , Neil 13 Assembly line 57 Assyrians 47 Atomic power station 15 Avalanche 39 Aztecs 46 B Badger 29 Balloon , hot air 11 , 58 Bathyscaphe 18 Bayeux Tapestry 9 Bear 36 Beaver 28 ...
Altres edicions - Mostra-ho tot
Frases i termes més freqüents
adult Aerotrain Africa Arctic areas armor atomic battle bigger birds body bomb bones brain breathe build built butterfly called carried cells cities coal colored crankshaft creatures crops cylinder deep desert dinosaurs earth eggs Egyptian plover electricity enemies engine feet fish flower forests galaxy gear Greeks ground grow heat hovercraft huge hunted insects inside jungle kinds knights land leaves light live look Louis Bleriot machine mammals miles millions Montgolfier brothers moon Mount Everest mountains move muscles nerves nest numbers oxygen picture piston plane pollen Prairie falcon railways rain reptiles river road rock Sahara Desert sailing sea anemone sea scorpions seeds shell ships shows skin South America South Pole space spacemen speed spider stars steam locomotives stone sun's sunlight surface tiny tractors trees turn wheels wind Wright brothers young