Children's Encyclopedia1976 |
Des de l'interior del llibre
Resultats 1 - 3 de 12.
Pàgina 27
... keep well away from crocodiles , but the Egyptian plover knows that it can safely walk all over the dangerous beasts . This is because it feeds on parasites that live on the crocodile's skin . Glad to be rid of the pests , the crocodile ...
... keep well away from crocodiles , but the Egyptian plover knows that it can safely walk all over the dangerous beasts . This is because it feeds on parasites that live on the crocodile's skin . Glad to be rid of the pests , the crocodile ...
Pàgina 32
... keep clear of those long tusks . The ptarmigan is an 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 ...
... keep clear of those long tusks . The ptarmigan is an 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 ...
Pàgina 41
... keep it rich and fertile . They help to decompose dead animals and plants into substances the crops use when growing . Some kinds of bacteria live on the roots of plants . Worms help to turn and loosen the soil with their constant ...
... keep it rich and fertile . They help to decompose dead animals and plants into substances the crops use when growing . Some kinds of bacteria live on the roots of plants . Worms help to turn and loosen the soil with their constant ...
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